Rounding to 10
Rounding to 100
Partial Sum
3-digit Addition
3-digit Subtraction
100

What is 29 rounded to the nearest 10?

What is 30.

100

What is 284 rounded to the nearest 100?

What is 300.

100

386 + 392

When using partial sum, what two numbers would you add together in the TENS place?

What is 80 + 90.

100

294 + 202 = ?

What is 496.

100

953 - 840 = ?

What is 113.

200

What is 68 rounded to the nearest 10?

What is 70.

200

What is 936 rounded to the nearest 100?

What is 900.

200

793 + 294

When using partial sum, what two numbers would you add together in the TENS place?

What is 90 + 90.

200

694 + 987 = ?

What is 1,681.

200

748 - 373 = ?

What is 375.

300

What is 32 rounded to the nearest 10?

What is 30.

300

What is 628 rounded to the nearest 100?

What is 600.

300

840 + 641

When using partial sum, what two numbers would you add together in the HUNDREDS place?

What is 800 + 600.

300

876 + 494 = ?

What is 1,370.

300
698 - 363 = ?

What is 335.

400

What is 71 rounded to the nearest 10?

What is 70?

400

What is 993 rounded to the nearest 100?

What is 1,000.

400

596 + 215

When using partial sum, what two numbers would you add together in the HUNDREDS place?

What is 500 + 200.

400
689 + 460 = ?

What is 1,149.

400

726 - 463 = ?

What is 263.

500

What is 295 rounded to the nearest 10?

What is 300.

500

What is 2,273 rounded to the nearest 100?

What is 2,300.

500

729 + 443

When using partial sum, what two numbers would you add together in the ONES place?

What is 9 + 3.

500

883 + 396 = ?

What is 1,279.

500

869 - 463 = ?

What is 406.