Chapter 1 Name 5.

Write each number sentence in the box below the better

Review/Test
Personal Math Trainer estimate of the sum.
Chapter 1 Review/Test Online Assessment
and Intervention 393 + 225 = ■ 481 + 215 = ■

1. For numbers 1a–1d, choose Yes or No to tell whether the 352 + 328 = ■ 309 + 335 = ■
sum is even. 600 700
1a. 5+8 Yes No
309 + 335 = ■ 481 + 215 = ■
1b. 9+3 Yes No 393 + 225 = ■ 352 + 328 = ■

Summative Assessment 1c.

1d.
6+7
9+5
Yes
Yes
No
No
6. DEEPER Diana sold 336 muffins at the bake sale. Bob
sold 287 muffins. Bob estimates that he sold 50 fewer
Use the Chapter Review/Test 2. Select the number sentences that show the Commutative
muffins than Diana. How did he estimate? Explain.

to assess students’ progress in Property of Addition. Mark all that apply. Possible answer: he rounded to the nearest ten. Possible
explanation: he rounded 336 to 340 and 287 to 290. Then he
A 14 + 8 = 22 subtracted: 340 − 290 = 50.
Chapter 1. B 8 + 14 = 14 + 8
7. The table shows how many books each class read.
You may want to review with C 8 + (13 + 1) = (8 + 13) + 1
Reading Contest
D (5 + 9) + 8 = (9 + 5) + 8
students the Essential Question for Class Number of Books
Mr. Lopez 273
the chapter. 3. Select the numbers that round to 300 when rounded to
the nearest hundred. Mark all that apply.
Ms. Martin 402
Mrs. Wang 247
A 238
Chapter Essential Question B 250
For numbers 7a–7d, select True or False for each
statement.
C
How can you add and subtract 283 7a. Ms. Martin’s class read
about 100 more books
D 342
whole numbers and decide if an E 359
than Mr. Lopez’s class. True False
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© Houghton Mifflin Harcourt Publishing Company

The 3 classes read over
answer is reasonable? 7b.
900 books altogether. True False
4. There are 486 books in the classroom library. Complete
the chart to show 486 rounded to the nearest 10. 7c. Mrs. Wang’s class read
Ask the following questions to about 50 fewer books
Hundreds Tens Ones than Mr. Lopez’s class. True False
focus students’ thinking: 4 9 0
7d. Ms. Martin’s and
Mrs. Wang’s class read
• How do you know when an Assessment Options
Chapter Test
Chapter 1 79 80
about 700 books. True False

estimate will be close to an exact

answer?
• When do you regroup to add or
subtract whole numbers?
• How might you decide which
strategy to use to add or
subtract?
• How can you decide when to add
or subtract to solve a problem?

Data-Driven Decision Making 2

1
Chapter 1
Based on the results of the Chapter Review/Test use the
following resources to review skills.

Personal
Item Lesson Content Focus Intervene with
Math Trainer

1, 2 1.1 Number patterns 3.OA.D.9 R—1.1

3, 4 1.2 Round to the nearest 10 or 100 3.NBT.A.1 R—1.2

5, 6, 7, 20 1.3, 1.8 Estimate sums and differences 3.NBT.A.1 R—1.3; R—1.8

8 1.4 Mental math strategies for addition 3.NBT.A.2 R—1.4

R—1.5; R—1.6;
9, 10, 12, 13 1.5, 1.6, 1.7 Use properties, strategies, or place value to add or subtract 3.NBT.A.2 R—1.7

14 1.9 Mental math strategies for subtraction 3.NBT.A.2 R—1.9

R—1.10;
11, 15, 16, 19 1.10, 1.11 Use place value to subtract 3.NBT.A.2 R—1.11

17, 18 1.12 Solve multi-step addition and subtraction word problems 3.OA.D.8 R—1.12

Key: R—Reteach (in the Chapter Resources)

79–80 Chapter 1
 Name 13. Help Dana find the sum.
8. Janna buys 2 bags of dog food for her dogs. One bag
346
weighs 37 pounds. The other bag weighs 15 pounds. 421
How many pounds do both bags weigh? Explain how + 152
you solved the problem.

52 pounds; possible explanation: start with 37 and count

For numbers 13a–13d, select Yes or No to tell Dana
when to regroup.
Performance
on 3 to 40. Then add 15 as 1 ten 5 ones. Remember to
subtract the 3 you counted on to start, 5 − 3 = 2, so 52. 13a. Regroup the ones. Yes No Assessment
Chapter 1
13b. Add the regrouped
ten. Yes No
9. Choose the property that makes the statement true.

Identity
13c. Regroup the tens. Yes No
See the Chapter Resources for a
13d. Add the regrouped
The Commutative Property of addition states that you hundred. Yes No Performance Task that assesses

Chapter 1 Review/Test
Associative students’ understanding of the
can group addends in different ways and get the same sum.
14. Alexandra has 78 emails in her inbox. She deletes content of this chapter.
Use the table for 10–12. 47 emails. How many emails are left in her inbox? Draw
jumps and label the number line to show your thinking.
Susie’s Sweater Shop For each task, you will find
Month Number of Sweaters Sold 110 110 110 11
January 402 sample student work for each
February 298
March 171 47 57 67 77 78 of the response levels in the
10. The table shows the number of sweaters sold online in __
31 emails task scoring rubric.
three months. How many sweaters were sold in January
15. Daniel has 402 pieces in a building set. He uses
and February?
186 pieces to build a house. How many pieces does
__
700 sweaters he have left? Show your work.
Performance
11. How many more sweaters were sold in January 216 pieces; 402 − 186 = 216
Assessm
Assessment Tasks may be
© Houghton Mifflin Harcourt Publishing Company

© Houghton Mifflin Harcourt Publishing Company

than March?
__
231 sweaters used for portfolios.
12. How many more sweaters were sold in February and
March than in January?
__
67 sweaters Be sure to assign
students Exercise 18 in
Chapter 1 81 82
the Personal Math Trainer. It
features an animation or video
to help students model and
solve the problem.

Name
19. DEEPER Alia used 67 + 38 = 105 to check her
16. Luke solves this problem. He says the difference subtraction. Which math problem could she be
is 214. Explain the mistake Luke made. What is the checking? Mark all that apply.
correct difference?
A 67 − 38 = ■
352
− 148 B 105 − 67 = ■

Possible explanation: When Luke combined the tens

C 105 + 38 = ■
and hundreds to subtract, he should have combined the D 105 − 38 = ■
tens and ones. He needed to regroup 1 ten as 10 ones to
subtract 48 from 52. Then he would have 0 tens 4 ones left.
The difference is 204. 20. Alexa and Erika collect shells. The tables show the kinds
of shells they collected.
17. Sunnyday Elementary School is having its annual
Alexa’s Shells Erika’s Shells
Read-a-thon. The third graders have read 573 books so
Shell Number of Shells Shell Number of Shells
far. Their goal is to read more than 900 books. What is
Scallop 36 Scallop 82
the least number of books they need to read to reach
Jingle 95 Clam 108
their goal? Explain.
Clam 115 Whelk 28
328 books; Possible explanation: subtract 573 from 900 to
get 327 . That is the number needed to reach 900. So, they Part A
need to read 1 more book than 327, which is 328.
Who collected more shells? How many did she collect?
Personal Math Trainer About how many more is that? Explain how you solved
18. SMARTER There are 318 fiction books in the class the problem.
library. The number of nonfiction books is 47 less than Alexa; 246; Possible explanation: round to the nearest ten
the number of fiction books. to estimate the number of shells Alexa has (about 260) and
Erika has (about 220). Then subtract: 260 – 220 = 40. Alexa
Part A
has about 40 more.
About how many nonfiction books are there in the class
library? Explain.
Part B
Possible answer: about 270 nonfiction books; possible
explanation: you can round 318 to 320. This is about 47 Alexa and Erika have the greatest number of what kind of
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© Houghton Mifflin Harcourt Publishing Company

more than the number of nonfiction books. You can round shell? How many shells of that kind do they have? Show
47 to 50, then subtract 50 from 320 to get 270. your work.

Part B clam shells; 223 shells; 115 + 108 = 223

How many fiction and nonfiction books are there in the

class library altogether? Show your work.

589 books; fiction: 318, nonfiction: 318 − 47 = 271;

318 + 271 = 589 84
Chapter 1 83

Chapter 1 Review/Test 81–84