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Worksheets

Estimation

Total questions: 34

Worksheet time: 43mins

Name
Class
Date
1.
Amy had 13 jelly beans in her left hand and 28 in her right hand. Estimate how many jelly beans Amy had in all.
a)
45
b)
40
c)
50
d)
30
2.
Bobby has 44 toy cars and trucks. He also has 62 ninja turtles and soldiers. Estimate how many toy cars, trucks, ninja turtles and soldiers Bobby has.
a)
86
b)
10
c)
100
3.
Estimate   32+49____
a)
55
b)
70
c)
80
d)
712
4.
Estimate  24+67=
a)
910
b)
80
c)
95
d)
90
5.
Round to the nearest ten, then estimate:
27 + 78
a)
115
b)
90
c)
100
d)
110
6.
Round 151 to the nearest ten
a)
100
b)
50
c)
150
d)
60
7.
Round 556 to the nearest hundred
a)
600
b)
700
c)
500
d)
560
8.

Round 3 728 to the nearest 1000

a)

3 000

b)

4 000

c)

3 700

d)

3 800

9.

The temperature is 32°C. If it falls by 15 degrees at night, what is the temperature now?

a)

22°C

b)

20°C

c)

40°C

d)

17°C

10.

A chicken needs to be cooked for 2 hours and 20 minutes. It needs to be ready at 1:00 pm. At what time do I need to start cooking it?

a)

noon

b)

11:40 am

c)

10:40 am

d)

9:30 am

11.

4 x 12 =

a)

24

b)

36

c)

48

d)

56

12.

I have $10. I spend $4.50. How much money do I have now?

a)

$5.50

b)

$4.50

c)

$3.50

d)

$5.00

13.

I am a square with each side measuring 3 cm. What is my perimeter?

a)

12 m

b)

9 cm

c)

3 dm

d)

12 cm

14.

72 ÷ 8 =

a)

8

b)

9

c)

10

d)

11

15.

I am thinking of a number. I double it and add 1. The answer is 17. What number am I thinking of?

a)

7

b)

8

c)

9

d)

10

16.
30 x 40
a)
12
b)
120
c)
1,200
d)
12,000
17.
99 =
a)
(9 x 10) + (9 x 9)
b)
(9 x 9) + (9 x 2)
c)
(9 x 10) + (9 x 2)
d)
(9 x 10) + (9 x 1)
18.
500-220
a)
300
b)
200
c)
280
d)
400
19.
300-290
a)
210
b)
260
c)
290
d)
10
20.
500-350
a)
150
b)
2500
c)
150
d)
350
21.
37+25+13
a)
75
b)
77
c)
100
d)
33
22.
400+25+300
a)
625
b)
725
c)
425
d)
333
23.
200+45+300
a)
2001
b)
550
c)
554
d)
545
24.
15+15+15
a)
55
b)
22
c)
44
d)
45
25.
300+66+200
a)
566
b)
555
c)
444
d)
888
26.
222+666
a)
222
b)
666
c)
777
d)
888
27.
700-350
a)
350
b)
250
c)
450
d)
550
28.
400-208
a)
128
b)
129
c)
192
d)
132
29.

What is 10 more than 56?

a)

57

b)

46

c)

66

d)

11

30.

What is 10 less that 19?

a)

29

b)

9

c)

109

d)

19

31.

What is 4 more than 25?

a)

24

b)

29

c)

35

d)

15

32.

What is 10 less than 110?

a)

100

b)

120

c)

11

d)

90

33.

What is 20 more than 50?

a)

60

b)

40

c)

70

d)

52

34.

What is 8 more than 10?

a)

80

b)

18

c)

8

d)

108