Mental Math
Place Value Blocks
Number Line
Word Problems
Zoom Zoom Method
100

Use mental math to solve 214 - 10.

204

100

Draw place-value blocks to find the difference of
328-133.

195

100

Use a number line to subtract 573 -459.

114

100

Kim had 455 shells. First, she gives 134 shells to a friend. Then she finds 54 more shells. How many shells does she have now.

455 - 134 = 321

321 + 54 = 375

375 shells

100

Solve using the Zoom Zoom method 842 − 421 =

421

200

Use mental math to solve 328 - 100.

228

200

Draw place-value blocks to find the difference of
485-136.

349

200

Use a number line to subtract 672 -547.

125

200

Second Grade wants to sell 10 more baseball tickets than First Grade. First Grade sold 476 tickets. Second Grade sold 439 tickets.            

How many more tickets does Second Grade need to sell to reach their goal?

439 + 10 = 486

486 - 439 = 47

47 tickets

200

Solve using the Zoom Zoom method 763 − 341 =

422

300

Use mental math to solve 250-10.

240

300

Draw place-value blocks to find the difference of
598-319

278

300

Use a number line to subtract 530 - 318.

212

300

There are 463 adults and 264 children at a movie. How many more adults than children are at the movie?

463 - 264 = 199

300

Solve using the Zoom Zoom method 931 − 710 =

221

400

Fill in the missing number from this equation                  700 - ? = 690

10

400

Draw place-value blocks to find the difference of
794-452.

342

400

Use a number line to subtract 802 - 668.

134

400

Liam had 612 baseball cards. He gave 198 cards to his cousin. Then he bought 76 more cards at the store.
How many baseball cards does Liam have now?

612 − 198 = 414
414 + 76 = 490

490 baseball cards


400

Solve using the Zoom Zoom method 305 − 167 =

138

500

Fill in the missing number from this equation                  215 - ? =205

10

500

Draw place-value blocks to find the difference of
871-355.

516

500

Use a number line to subtract 735 - 429.

306

500

Ava had 347 stickers. She gave 121 to her friend.
How many stickers does Ava have now?

347 − 121 = 226

500

Solve using the Zoom Zoom method 920 − 488 =

432