Unit 1 Math Expressions Place Value

Rounding

100

Round 346,188 to the nearest ten

346,190

200

Round 346,198 to the nearest hundred

346,200

300

Round 346,198 to the nearest thousand 

346,000

400

Round 346,198 to the nearest ten thousand 

350,000

500

Round 346,198 to the nearest hundred thousand 

300,000

Addition and Subtraction

100

Find the sum

46 + 29 = 

75

200

Find the sum:

456 + 198 

654

300

Find the sum:

1,249 + 3,778

5,027

400

Find the sum: 

45,378 + 21,395 = 

66,773

500

333,111 + 356,824 = 

689,935

Subtraction

100

Find the difference: 

64 - 25

40 

200

Find the difference: 

745 - 368

377

300

Find the difference: 

6,809 - 4,385 =

2,424

400

Find the difference: 

45,871 - 29,684

16,187

500

Find the difference: 

978,345 - 694,283 =

284,062

Word Problems

100

Froggy went swimming this weekend. On Saturday, he swam 215 feet before he got tired. On Sunday, he swam for an additional 398 feet. How many feet did he swim in all? 

Froggy swam for 613 feet.

200

A machine makes 256,035 nails in the morning. It makes another 119,327 nails in the afternoon. How many more were made in the morning than the afternoon? 

256,035 - 119,327 = 136,708 NAILS

300

There were 3,789 runners in a race in Orinda. There were 1,278 runners in a race in Walnut Creek. More many more runners were there in Walnut Creek?

Write an equation for the problem, then solve it.

3,789 + 1,278 = n 

5,067 runners

400

Ms. Dunlap baked 4,319 cookies during 2020. She has baked 3,421 so far in the year 2021. How many cookies has she baked in all?

7,740 cookies

500

Write a word problem that requires subtracting 3,117 from 7,854

Answers will vary.

The difference is 4,737.

CHANCE :)

100

Make a place value drawing for the following number: 

4,679

See drawing 

200

What is incorrect about the following answer to this problem: 

Froggy swam 32 miles on Saturday. Froggy swam for 67 miles on Sunday. How many miles did he swim over the weekend? 

Answer: 99

The answer should be 99 MILES. 

Word problems need to include units.

300

Order these numbers from least to greatest: 

4,582

5,482

4,528

4,258

5,248

4,258

4,528

4,582

5,248

5,482

400

Jennifer added the numbers 6,145 and 2,380.

Write both the addends and the sum in a break-apart drawing. 

I will draw the outline for you on the board. 

                 8,525 

                  /   \

           6,145   2,380

500

Answer true or false for the following questions: 

a. 9,452 rounded to the nearest thousand is 9,500

b. 53,234 rounded to the nearest thousand is 54,000

c. 612,048 rounded to the nearest thousand is 612,000

d. 45,365 > 45,653

e. 29, 989 < 28,898

a. false 

b. false 

c. true 

d. false 

e. false