Multiplication
Division
Powers of 10
Estimating
Word Problems
100

32 x 5

160

100

26 / 2

13

100

20 x 10

200

100

If there were 12 easter bags and 28 easter eggs in each, about how many easter eggs were there total?

300

100

A contractor was buying wall outlets for a new house he was building. Each room needed nine outlets. If the house has six rooms, how many outlets does he need total?

54

200

428 x 3

1,284

200

35 / 5

7

200

320 x 100

32,000

200

Solve by estimating:

32 x 78

2,400

200

Dave bought several boxes of books at a yard sale and ended up with twelve books total. If each box had two books how many boxes did he buy?

6

300

946 x 6

5,676

300

324 / 2

162

300

243 x 10

2,430

300

Solve by estimating:

45 x 67

3,500

300

Lana was playing a trivia game. In the first round she scored seventeen points and in the second round she scored twenty-five points. In the last round she lost four points. How many points did she have at the end of the game?

38

400

93 x 65

6,045

400

768 / 3

256

400

6,000 x 20

120,000

400

If there were 25 pencil poxes in the classroom and 36 crayons in each, about how many crayons were there total?

1,200

400

Robin picked forty tulips and twenty-eight roses to make flower bouquets. If she only used fourteen of the flowers though, how many extra flowers did Robin pick?

54

500

86 x 74

6,364

500

927 / 2

463 r 1

500

9,530 x 100

953,000

500

Solve by estimating:

391 x 210

80,000

500

For the school bake sale Paige made pastries. She baked forty-five cupcakes and fifty cookies. After the sale she had seventy to take back home. How many pastries did she sell?

25