Unit 1 Review

Rounding

100

Which of the following numbers round to 480 when rounded to the nearest ten? Choose all the correct answers.

477 and 483

200

1) 378 rounded to the nearest ten is 380.

2) 254 rounded to the nearest hundred is 250.

3) 403 rounded to the nearest ten is 400.

4) 645 rounded to the nearest hundred is 600.

1) yes

2) no

3) yes

4) yes

300

Between which two tens is the number 176?

Show your work. (Draw a number line)

170 and 180

400

10. Round 827 to the nearest ten

Round 827 to the nearest hundred

nearest 10      830

nearest 100     800

500

Write your answer in the blanks.

659+278=____hundreds+12 tens+___ones

8 hundreds + 12 tens + 17 ones

3 Digit Subtraction

100

Find 340-276. 

64

200

What is 849-524?

325

300

The difference of the equation below is written using hundreds, tens, and ones.  Complete the equation.

453-196=2 hundreds+____tens+____ones

5 tens and 7 ones

3 Digit Addition

100

What is 143 + 152?

295

200

Break apart numbers to add 548 + 391.

500 + 40 + 8 

300 + 90 + 1

___________

800 + 130 + 9 = 939

300

Add on to subtract.

Write your answer in the blanks.

176 + 4 + ___+ 5 =205, so 205-176=___

20 and 29

400

Isabel scores 218 points bowling.  Jean scores 194 points bowling.  How many points do they score in all?

412

Place Value

100

13. Which of these diagrams or solutions represents 375 + 226?

c