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Adding Decimals
Subtracting Decimals
Multiplying!
Estimating!
Word Problems
100

What is 4.2 + 3.1?

7.3

100

9.5 - 3.2?

6.3

100

9 x 8?

72

100

Estimate the product of 48 x 6.

(50 x 6)

300!

100

A pack of pencils costs $2. How much do 4 packs cost?

$8

200

5.75 + 2.65?

8.40

200

15.75 - 6.25?

9.50

200

15 x 100?

1500

200

Estimate the product of 67 x 12

(70 x 10)

700

200

A box contains 12 packs of gum, and each pack has 8 pieces. How many pieces of gum are there in total?

96 Pieces

300

6.88 + 4.57?

11.45

300

20.4 - 7.3?

13.1

300

12 x 25?

300

300

Estimate the product of 23 x 47.

(20 x 50)

1000

300

If one carton of eggs contains 12 eggs and a grocery store has 25 cartons, how many eggs are there in total?

300

400

13.5 + 7.25?

20.75

400

10.9 - 4.75?

6.15

400

24 x 125?

3000

400

Estimate the product of 125 x 19.

(100 x 20)

2000

400

A factory produces 200 widgets every day. How many widgets will it produce in 3 weeks, assuming the factory operates 6 days a week?

3x6=18 then 200x18

3600

500

8.006 + 3.45 + 2.789?

14.245

500

18.25 - 9.875?

8.375

500

67 x 124?

8308

500

Estimate the product of 89 x 73.

(90 x 70)

6,300

500

A box contains 12 packs of gum, and each pack has 8 pieces. There are also 3 empty packs in the box. How many pieces of gum are there in total?

96 Pieces

There's ALSO 3 empty packs :)