Fill me in
Round me in
work out
Estimating and Approximating
Estimation word problems
100

what is 

2.5 x ...... = 250

10

100

Round to the nearest  whole number

76.189

76

100

3 chocolates for 0.9 = ......... cents each

30 cents or $0.30

100

Work out an estimate for 

69 + 47

120

100

Amy wanted to collect enough stamps for the students in Ms. Kelly's class. There are21 students in the class, about how many should she get (even if some1 is left out).

20

200

What is 

3.2 / ......= 0.0032

1000

200

round to 1 decimal place

69.27

69.3

200

 work out 

27.9 + 132.5 = 

160.4

200

Work out an estimation for 

81 - 38

40

200
Ms. Kelly ordered pizza for the morning tutorial students. There are 15 students in M.T. About how many slices of pizza should she order?
20
300

What is 

0.17 ........ 10 = 1.7

x

300

round to 2 decimal places


105.2475

105.25

300

work out 6, 578 divided by  11 to the nearest hundreds?

600

300

Work out an estimation for

289 x 23

6000

300
Ms. Culkin wanted to order coloring books for the entire school. There are 2, 612 students in ps 176. About how many should she order?
3,000
400

What is 

876 / .......... =87 600

0.01

400

round to 2 decimal places

13.405 + 9.3739

22.78

400

8 scissors for $ 3.80 each = ...........

(answer in exact amount)

$30.4

400

Work out an estimation for 

672 / 21

35

400

Ms. Kelly wanted to bring carrots to all of Jumping Jacks<3 friends. He has 76 friends. About how many carrots should she buy?

80

500

What is 

4.9 x 0.001 = ............. 

0.0049

500

round to 2 decimal places

239.84 - 47.649

192.19

500

Work out (36.5 x 4) divided by 76.

Answer to the nearest whole number.

2

500

Work out an estimate for 

(618.2 - 78.5)/39

(hint: estimation is in 1 decimal place)

13.5

500
Cathy scored a 989 on her spelling test (she is veryyyyy smart!). Ms. Kelly had to write it in her grade book. About what score should he give Cathy????
1,000
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