G2 U5 Assessment
Name__________________________________ Date_______________
Grade 2 Unit 5 Assessment Subtraction Strategies Note: The classroom teacher reads the test questions aloud to students.
1.
What is 10 less than 703?
793
2.
693
713
603
Joey drew a picture to solve a subtraction problem. What problem does his picture represent? Hundreds
378 – 123
Tens
378 – 132
Ones
278 + 142
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 1
387 – 132
3.
What is 100 less than 452?
442
4.
352
552
Hillary baked 96 cookies. She gave 48 cookies to her class. Her family ate 42 cookies. How many cookies did Hillary have left?
186
5.
532
6
48
8
Mr. Juarez had 82 nails in a box. After he finished his project, he had 37 nails left. How many nails did he use in his project?
59
42
Copyright © Swun Math Grade 2 Unit 6 Assessment, Page 2
55
45
6.
Twelve team members arrived on time for the baseball party. Nine team members arrived late. Several team members left early. At the end of the party, 15 team members were still there. How many team members left early? Which equation could you use to solve this problem?
12 + 9 – = 15
7.
12 + 15 = 9 +
+ 12 – 9 = 15
9 + = 15
Duane opened a bag of fruit snacks. He gave his best friend 17 fruit snacks. Afterwards, he still had 16 fruit snacks left in the bag. How many fruit snacks were in the bag when he opened it?
1
41
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23
33
8.
The students at Table 4 each used the number line strategy to subtract 832 – 247. Which two models are correct?
-7
-40
585 592
-1 -1 -1 -1
558 832
-200 632
-10 -10 -10 -10
-10
832
-10
-10
-100
562 572 582 592 602 612 622 632
-4
-70
558 562
-1 -1 -1 -1 -1 -1 -1
585
-100
732
832
-200 632
-10 -10 -10
832
-10
-100
592 602 612 622 632
-100 732
832
___________________________________________________________________ 9.
Henry used the place value strategy to solve 638 – 314. How could his answer be represented in expanded form? 300 + 40 + 2 900 + 40 + 4 300 + 20 + 4 400 + 20 + 3
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 4
10.
Which word problem is represented by this equation? 56 + X = 99 Marcia made 56 cupcakes and ate some of them. She had 99 left over. How many cupcakes did she eat? Riley has 56 toy cars. Joe has some toy cars, too. Altogether they have 99 toy cars. How many toy cars does Joe have? An elephant ate 99 peanuts. Then he ate 56 more. How many peanuts did the elephant eat in total? At the beginning of the party, the jellybean jar was full. After the party, there were 99 jellybeans left. How many jellybeans were there at the beginning of the party?
11.
Select each true statement. Ten more than 398 is 408. A hundred less than 764 is 664. 225 is ten less than 205. 778 is a hundred more than 678.
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 5
For questions 12-14, use the Answer Bank to match each expression with its inverse operation.
12.
Answer Bank
49 – 27
A 24 + 18 13.
56 + 23
14.
42 – 18
15.
Solve by using the Place Value Strategy.
B 22 + 27 C 79 – 23
.
674 – 254 = Hundreds
–
428
Tens
–
420
Ones
–
928
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 6
240
16.
The students at Table 3 solved this problem using the subtraction model of their choice. Which two models show the correct solution? Sophia and Mark each built a tower using connecting blocks. Sophia used 326 blocks. Mark used 218 blocks. How many more blocks did Sophia use?
Hundreds
Tens
Ones ●●●●●●●●●● ●●●●●●
Hundreds
Tens
Ones
300
20 10
6 16
– 100 200
– 10 0
– 8 8
Hundreds
Tens
Ones ●●●●●●●●●● ●●●●●●
0
90 0 + 90 + 8 = 98
-8 108 116
-10
8
-200 126
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 7
326
Grade 2 Unit 5 Assessment Subtraction Strategies Note: The classroom teacher reads the test questions aloud to students.
1.
What is 10 less than 703?
793
2.
693
713
603
Joey drew a picture to solve a subtraction problem. What problem does his picture represent? Hundreds
378 – 123
Tens
378 – 132
Ones
278 + 142
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 1
387 – 132
3.
What is 100 less than 452?
442
4.
352
552
Hillary baked 96 cookies. She gave 48 cookies to her class. Her family ate 42 cookies. How many cookies did Hillary have left?
186
5.
532
6
48
8
Mr. Juarez had 82 nails in a box. After he finished his project, he had 37 nails left. How many nails did he use in his project?
59
42
Copyright © Swun Math Grade 2 Unit 6 Assessment, Page 2
55
45
6.
Twelve team members arrived on time for the baseball party. Nine team members arrived late. Several team members left early. At the end of the party, 15 team members were still there. How many team members left early? Which equation could you use to solve this problem?
12 + 9 – = 15
7.
12 + 15 = 9 +
+ 12 – 9 = 15
9 + = 15
Duane opened a bag of fruit snacks. He gave his best friend 17 fruit snacks. Afterwards, he still had 16 fruit snacks left in the bag. How many fruit snacks were in the bag when he opened it?
1
41
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 3
23
33
8.
The students at Table 4 each used the number line strategy to subtract 832 – 247. Which two models are correct?
-7
-40
585 592
-1 -1 -1 -1
558 832
-200 632
-10 -10 -10 -10
-10
832
-10
-10
-100
562 572 582 592 602 612 622 632
-4
-70
558 562
-1 -1 -1 -1 -1 -1 -1
585
-100
732
832
-200 632
-10 -10 -10
832
-10
-100
592 602 612 622 632
-100 732
832
___________________________________________________________________ 9.
Henry used the place value strategy to solve 638 – 314. How could his answer be represented in expanded form? 300 + 40 + 2 900 + 40 + 4 300 + 20 + 4 400 + 20 + 3
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 4
10.
Which word problem is represented by this equation? 56 + X = 99 Marcia made 56 cupcakes and ate some of them. She had 99 left over. How many cupcakes did she eat? Riley has 56 toy cars. Joe has some toy cars, too. Altogether they have 99 toy cars. How many toy cars does Joe have? An elephant ate 99 peanuts. Then he ate 56 more. How many peanuts did the elephant eat in total? At the beginning of the party, the jellybean jar was full. After the party, there were 99 jellybeans left. How many jellybeans were there at the beginning of the party?
11.
Select each true statement. Ten more than 398 is 408. A hundred less than 764 is 664. 225 is ten less than 205. 778 is a hundred more than 678.
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 5
For questions 12-14, use the Answer Bank to match each expression with its inverse operation.
12.
Answer Bank
49 – 27
A 24 + 18 13.
56 + 23
14.
42 – 18
15.
Solve by using the Place Value Strategy.
B 22 + 27 C 79 – 23
.
674 – 254 = Hundreds
–
428
Tens
–
420
Ones
–
928
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 6
240
16.
The students at Table 3 solved this problem using the subtraction model of their choice. Which two models show the correct solution? Sophia and Mark each built a tower using connecting blocks. Sophia used 326 blocks. Mark used 218 blocks. How many more blocks did Sophia use?
Hundreds
Tens
Ones ●●●●●●●●●● ●●●●●●
Hundreds
Tens
Ones
300
20 10
6 16
– 100 200
– 10 0
– 8 8
Hundreds
Tens
Ones ●●●●●●●●●● ●●●●●●
0
90 0 + 90 + 8 = 98
-8 108 116
-10
8
-200 126
Copyright © Swun Math Grade 2 Unit 5 Assessment, Page 7
326
