Unit 1 Math Review

3 Digit Subtraction

100

650-420=

What is 230?

200

298-166=

What is 132?

300

300-292=

What is 8?

400

862-578=

What is 284?

500

700-532=

What is 168?

3-Digit Addition

100

423+125= 

What is 548?

200

Dave scores 147 points in Fruit Ninja. Kim scores 132 points. How many points did they score altogether?

What is 279 points?

300

321+498=

What is 819?

400

699+257=

What is 956?

500

Sam earned 269 Dojo points. Gabby earned 378 Dojo points. How many points did they earn in total?

What is 647 Dojo points?

Rounding to the Nearest 10

100

46 rounded to the nearest 10

What is 50?

200

58 rounded to the nearest 10

What is 60?

300

Between which two tens is 34?

What is 30 and 40?

400

374 to the nearest 10

What is 370?

500

Between which two tens is the number 223

What is 220 and 230?

Rounding to the nearest 100

100

59 rounded to the nearest 100

What is 100?

200

210 rounded to the nearest 100

What is 200?

300

Between which two hundreds is the number 345

What is 300 and 400?

400

489 rounded to the nearest 100

What is 500?

500

Round the difference of the equation 456-23 to the nearest 100

What is 400?

Random

100

Between which two tens is the number 163?

What is 160 and 170?

200

Which numbers round to 640 when rounded to the nearest 10? Choose all that apply.

645

634

641

635

What is 641 and 635?

300

What is 423 rounded to the:

nearest 10?

nearest 100?

What is 420 and 400?

400

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

437+286= ____hundreds, +11 tens + ____ones

What is 6 hundreds, 11 tens, and 13 ones?

500

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

526-397= 1 hundred + ____tens + ____ones

What is 1 hundred, 2 tens, and 9 ones?