Word Problems
Estimation First
Adding
Subtracting
100

A student reads 67 pages of their book. And yesterday he read 44 pages. How much pages did he read in total?

111

100

Estimate to the nearest hundreds. 831 + 645

800 + 600 = 1400

100

456 + 67

523

100

278 - 172

106

200

Ms. Willan has 55 penguins and 90 cats. What is the difference between the amount of cats and penguins?

35

200

Estimate to the nearest hundreds. 6741 + 2382

6700 + 2400 = 9100

200

237 + 2723 =

2960

200
3489 - 189 

3300

300

Jimmy had 444 phones and he sold 333. How many does he have?

111

300

Round the the nearest tens. 8433 + 7992

8430 + 7990 = 16420

300

3278 + 272

3550

300

4578 - 2637 

1941

400

Timmy went trick-or-treating at Tommy's neighbourhood and got 6741 candies. After he went to Harry's neighbourhood and got 2382 candies. How many does Timmy have?

9123

400

Estimate to the nearest hundreds. 1728 + 3478

1700 + 3500 = 5200 

400

10368 + 6546

16914

400

16823 - 3478

13345

500

A house takes 10287 bricks to build. You have 8289. About have many more bricks do you need to buy?

1998

500

Round to the nearest hundreds. 18923 + 17382

18900 + 17400 = 36300

500

19097 + 24689 

43786

500

45783 - 26722

19061

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