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Math MISSION ASSESSMENTS ANSWER KEY GRADE 2
2023 Zearn Portions of this work Zearn Math are derivative of Eureka Math and licensed by Great Minds 2019 Great Minds All rights reserved Zearn is a registered trademark Printed in the U S A ISBN 979 8 88868 075 9
Table of Contents MISSION 1 End of Mission Assessment 3 MISSION 2 End of Mission Assessment 19 MISSION 3 Mid Mission Assessment 35 End of Mission Assessment 43 MISSION 4 Mid Mission Assessment 61 End of Mission Assessment 75 MISSION 5 Mid Mission Assessment End of Mission Assessment 91 107 MISSION 6 Mid Mission Assessment 125 End of Mission Assessment 133 MISSION 7 Mid Mission Assessment 147 End of Mission Assessment 161 MISSION 8 Mid Mission Assessment 177 End of Mission Assessment 187 ZEARN MATH Teacher Edition iii
Math ASSESSMENT ANSWER KEY GRADE 2 Mission 1 Add and Subtract Friendly Numbers 2023 Zearn Licensed to you pursuant to Zearn s Terms of Use Portions of this work Zearn Math are derivative of Eureka Math and licensed by Great Minds 2019 Great Minds All rights reserved
PAGE 1 ZEARN END OF MISSION ASSESSMENT Name Date 1 Solve Use the space provided to show your work a 18 4 b 48 6 c 15 8 d 8 65 e 66 30 f 83 9 2023 Zearn Licensed to you pursuant to Zearn s Terms of Use Portions of this work Zearn Math are derivative of Eureka Math and licensed by Great Minds 2019 Great Minds All rights reserved G2 M1
PAGE 2 G2M1 End of Mission Assessment 2 Write a number sentence and statement to answer the questions below Show your work using pictures numbers or words a Trevor s mom gave him 6 stickers to start his collection He received 25 more for his birthday How many stickers does Trevor have now b James has 40 stickers and gives away 7 How many stickers does James have now
PAGE 3 G2M1 End of Mission Assessment 3 Solve Use the space provided to show your work a 13 7 b 29 6 c 42 5 d 36 60 e 80 8 f 85 60
PAGE 4 G2M1 End of Mission Assessment 4 Tammy gave 7 markers to Sam She started with 42 markers How many markers does Tammy have now Write a number sentence and statement to answer Show your work using pictures numbers or words
G2M1 End of Mission Standards End of Mission Assessment Standards Addressed in Topics A B Problem Number Standard Represent and solve problems involving addition and subtraction 2 OA 1 Use addition and subtraction within 100 to solve one and two step problems involving situations of adding to taking from putting together taking apart and comparing with unknowns in all positions e g by using drawings and equations with a symbol for the unknown number to represent the problem See CCLS Glossary Table 1 2 4 Add and subtract within 20 2 OA 2 Fluently add and subtract within 20 using mental strategies See standard 1 OA 6 for a list of mental strategies By end of Grade 2 know from memory all sums of two one digit numbers 1 3 Use place value understanding and properties of operations to add and subtract 2 NBT 5 Fluently add and subtract within 100 using strategies based on place value properties of operations and or the relationship between addition and subtraction ZEARN MATH Teacher Edition 1 3 7
End of Mission Rubric G2M1 End of Mission Assessment A Progression Towards Understanding A Progression Towards Understanding is provided to describe steps that illuminate the gradually increasing learnings that students develop on their way to full understanding In this chart this progress is presented from left to right The learning goal for students is to achieve full understanding as described on the right A student s score is the sum of points earned on all problems out of 100 possible points If a response doesn t fall on the rubric or there is a lack of response the score for that problem is zero points INITIATING UNDERSTANDING Missing or incorrect answer and little evidence of reasoning or application of mathematics to solve the problem PROBLEM 1a 1b 2 OA 2 2 NBT 5 1c 1d 2 OA 2 2 NBT 5 8 DEVELOPING UNDERSTANDING Missing or incorrect answer but evidence of some reasoning or application of mathematics to solve the problem INITIATING UNDERSTANDING NEARING UNDERSTANDING A correct answer with some evidence of reasoning or application of mathematics to solve the problem OR an incorrect answer with substantial evidence of solid reasoning or application of mathematics to solve the problem DEVELOPING UNDERSTANDING The student is unable to provide the correct answer to either problem but produces work that serves as evidence that she is initiating understanding of addition and subtraction within 100 The student provides the correct answer to 1 of the 2 problems and provides sufficient work to support her correct answer 7 points FULL UNDERSTANDING A correct answer supported by substantial evidence of solid reasoning or application of mathematics to solve the problem NEARING UNDERSTANDING FULL UNDERSTANDING The student provides the correct answer to both problems but provides insufficient and or incomplete work to support her answers OR The student shows sufficient evidence of understanding addition and subtraction within 100 but makes a simple calculation error leading to a single incorrect answer The student provides the correct answer to both problems and provides sufficient work to support her answers 8 points 9 points 10 points The student is unable to provide the correct answer to either problem but produces work that serves as evidence that she is initiating understanding of addition and subtraction within 100 The student provides the correct answer to 1 of the 2 problems and provides sufficient work to support her correct answer The student provides the correct answer to both problems but provides insufficient and or incomplete work to support her answers OR The student shows sufficient evidence of understanding addition and subtraction within 100 but makes a simple calculation error leading to a single incorrect answer The student provides the correct answer to both problems and provides sufficient work to support her answers 7 points 8 points 9 points 10 points For example the student makes a significant calculation error leading to a single incorrect answer For example the student makes a significant calculation error leading to a single incorrect answer ZEARN MATH Teacher Edition
G2M1 PROBLEM 1e 1f 2 NBT 5 2a 2 OA 1 End of Mission Rubric INITIATING UNDERSTANDING DEVELOPING UNDERSTANDING The student is unable to provide the correct answer to either problem but produces work that serves as evidence that she is initiating understanding of addition and subtraction within 100 The student provides the correct answer to 1 of the 2 problems and provides sufficient work to support her correct answer 7 points NEARING UNDERSTANDING FULL UNDERSTANDING The student provides the correct answer to both problems but provides insufficient and or incomplete work to support her answers OR The student shows sufficient evidence of understanding addition and subtraction within 100 but makes a simple calculation error leading to a single incorrect answer The student provides the correct answer to both problems and provides sufficient work to support her answers 8 points 9 points 10 points The student is unable to correctly determine the total number of stickers but produces work that serves as evidence that she is initiating understanding of how to use addition and subtraction within 100 to solve real world problems The student is unable to correctly determine the total number of stickers but produces work that serves as evidence that she is developing understanding of how to use addition and subtraction within 100 to solve real world problems The student provides the correct answer of 31 stickers and provides sufficient work to support her answer For example the student attempts to model the problem with a math drawing but is unable to use her drawing to complete the problem For example the student understands that to solve the problem she must add to find the total amount of stickers but makes a significant calculation error leading to an answer other than 31 stickers The student provides the correct answer but provides insufficient and or incomplete work to support her answer OR The student shows sufficient evidence of understanding that to solve the problem she must add to find the total amount of stickers but makes a simple calculation error leading to an answer other than 31 stickers 7 points 9 points 11 points 13 points ZEARN MATH Teacher Edition For example the student makes a significant calculation error leading to a single incorrect answer 9
End of Mission Rubric PROBLEM 2b 2 OA 1 3a 3b 2 OA 2 2 NBT 5 3c 3d 2 NBT 5 10 G2M1 INITIATING UNDERSTANDING DEVELOPING UNDERSTANDING NEARING UNDERSTANDING FULL UNDERSTANDING The student is unable to correctly determine the remaining number of stickers but produces work that serves as evidence that she is initiating understanding of how to use addition and subtraction within 100 to solve real world problems The student is unable to correctly determine the remaining number of stickers but produces work that serves as evidence that she is developing understanding of how to use addition and subtraction within 100 to solve real world problems The student provides the correct answer of 33 stickers and provides sufficient work to support her answer For example the student attempts to model the problem with a math drawing but is unable to use the drawing to complete the problem For example the student understands that to solve the problem she must subtract to find the remaining amount of stickers but makes a significant calculation error leading to an answer other than 33 stickers The student provides the correct answer but provides insufficient and or incomplete work to support her answer OR The student shows sufficient evidence of understanding that to solve the problem she must subtract to find the remaining number of stickers but makes a simple calculation error leading to an answer other than 33 stickers 7 points 9 points 11 points 13 points The student is unable to provide the correct answer to either problem but produces work that serves as evidence that she is initiating understanding of addition and subtraction within 100 The student provides the correct answer to 1 of the 2 problems and provides sufficient work to support her correct answer The student provides the correct answer to both problems but provides insufficient and or incomplete work to support her answers OR The student shows sufficient evidence of understanding addition and subtraction within 100 but makes a simple calculation error leading to a single incorrect answer The student provides the correct answer to both problems and provides sufficient work to support her answers 7 points 8 points 9 points 10 points The student is unable to provide the correct answer to either problem but produces work that serves as evidence that she is initiating understanding of addition within 100 The student provides the correct answer to 1 of the 2 problems and provides sufficient work to support her correct answer The student provides the correct answer to both problems but provides insufficient and or incomplete work to support her answers OR The student shows sufficient evidence of understanding addition within 100 but makes a simple calculation error leading to a single incorrect answer The student provides the correct answer to both problems and provides sufficient work to support her answers 7 points 8 points 9 points 10 points For example the student makes a significant calculation error leading to a single incorrect answer For example the student makes a significant calculation error leading to a single incorrect answer ZEARN MATH Teacher Edition
G2M1 PROBLEM 3e 3f 2 NBT 5 4 2 OA 1 End of Mission Rubric INITIATING UNDERSTANDING DEVELOPING UNDERSTANDING The student is unable to provide the correct answer to either problem but produces work that serves as evidence that she is initiating understanding of subtraction within 100 The student provides the correct answer to 1 of the 2 problems and provides sufficient work to support her correct answer 7 points NEARING UNDERSTANDING FULL UNDERSTANDING The student provides the correct answer to both problems but provides insufficient and or incomplete work to support her answers OR The student shows sufficient evidence of understanding subtraction within 100 but makes a simple calculation error leading to a single incorrect answer The student provides the correct answer to both problems and provides sufficient work to support her answers 8 points 9 points 10 points The student is unable to correctly determine the remaining number of markers but produces work that serves as evidence that she is initiating understanding of how to use addition and subtraction within 100 to solve real world problems The student is unable to correctly determine the remaining number of markers but produces work that serves as evidence that she is developing understanding of how to use addition and subtraction within 100 to solve real world problems The student provides the correct answer of 35 markers and provides sufficient work to support her answer For example the student attempts to model the problem with a math drawing but is unable to use the drawing to complete the problem For example the student understands that to solve the problem she must subtract to find the remaining amount of stickers but makes a significant calculation error leading to an answer other than 35 markers The student provides the correct answer but provides insufficient and or incomplete work to support her answer OR The student shows sufficient evidence of understanding that to solve the problem she must subtract to find the remaining number of markers but makes a simple calculation error leading to an answer other than 35 markers 8 points 10 points 12 points 14 points For example the student makes a significant calculation error leading to a single incorrect answer Total Score the sum of points earned out of 100 possible points ZEARN MATH Teacher Edition 11
12 STUDENT 1a 1b 1c 1d 1e 1f 2a 2b G2M1 End of Mission Assessment Student Score Sheet 3a 3b 3c 3d 3e 3f 4 TOTAL SCORE End of Mission Rubric G2M1 ZEARN MATH Teacher Edition
G2M1 End of Mission Assessment Answer Key ZEARN END OF MISSION ANSWER KEY Name G2 M1 Date 1 Solve Use the space provided to show your work 22 a 18 4 2 2 7 c 15 8 5 10 10 8 2 5 2 7 e 66 30 60 6 18 2 20 20 2 22 96 60 30 90 90 6 96 ZEARN MATH Teacher Edition b 48 6 42 6 d 8 65 3 5 f 83 9 73 10 42 6 6 0 42 0 42 73 65 5 70 70 3 73 74 10 9 1 73 1 74 13
End of Mission Assessment Answer Key G2M1 2 Write a number sentence and statement to answer the questions below Show your work using pictures numbers or words a Trevor s mom gave him 6 stickers to start his collection He received 25 more for his birthday How many stickers does Trevor have now 6 from mom 25 more 25 6 31 5 1 25 5 30 30 1 31 Now Trevor has 31 stickers b James has 40 stickers and gives away 7 How many stickers does James have now 40 7 gave away have now 40 7 33 30 10 10 7 3 30 3 33 Now James has 33 stickers 14 ZEARN MATH Teacher Edition
G2M1 End of Mission Assessment Answer Key 3 Solve Use the space provided to show your work a 13 7 6 35 b 29 6 1 5 3 10 10 7 3 3 3 6 c 42 5 47 29 1 30 30 5 35 d 36 60 30 6 40 2 2 5 7 40 7 47 e 80 8 96 72 70 10 30 60 90 90 6 96 f 85 60 25 80 5 10 8 2 70 2 72 ZEARN MATH Teacher Edition 80 60 20 20 5 25 15
End of Mission Assessment Answer Key G2M1 4 Tammy gave 7 markers to Sam She started with 42 markers How many markers does Tammy have now Write a number sentence and statement to answer Show your work using pictures numbers or words 42 markers 7 gave to Sam have now 42 7 35 32 10 10 7 3 32 3 35 Now Tammy has 35 markers 16 ZEARN MATH Teacher Edition
Math Math TEACHER EDITION GRADE 2 TEACHER EDITION Mission Assessments Answer Key TEACHER EDITION Grade 2 Mission Assessments Answer Key Zearnmath_TE_MAAK_Grade2 indd 1 2 GRADE 12 8 22 12 52 PM