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WorksheetsDecimal multiplication and division with estimation
Total questions: 68
Worksheet time: 2hrs 12mins
Estimate the quotient: 45.6 ÷ 5.1
11
9
8.941
.9
103 Click all correct answers
Is the same as 10 x 10 x 10
Is 1000
Is 100
Is 10 to the 3rd power
Is 3000
Where does the decimal point belong? 5.68 ÷ 8 = 0 7 1
.071
0.71
7.1
70.1
71.2 ÷ 8 =
(a)
370.2 ÷ 102 =
Is the same as 370.2 ÷ 100
Is the same as 370.2 ÷ 20
Is the same as 370.2 undefined 10 x 10
Is the same as 370.2 undefined 10
72.5 ÷ 10=
(a)
3.69 ÷ 3
1.23
13.2
12.3
Estimate 9.94 x 6.6
65.604
0.656
656.040
6,560.400
Estimate 8.5 × 0.61
0.052
5.185
51.850
518.500
Estimate 78.9 ÷ 12
6.575
65.75
.6575
960
Estimate. Choose the BEST/CLOSEST estimated number sentence.
24 tenths divided by 6 = 4 tenths or 0.4
24 divided by 6 = 4
Estimate the quotient using compatible numbers. 2,460 ÷ 81
30
3
80
300
0.75 − 0.23 =
(a)
1.46 + 1.97 =
(a)
Multiply Decimals
2 x 0.04 =
8
0.8
0.08
0.008
Multiply Decimals
5 x 0.3 =
15
1.5
0.15
0.015
Multiply Decimals
5 x 0.03 =
15
1.5
0.15
0.015
Multiply Decimals
0.4 x 0.03 =
12
1.2
0.12
0.012
Round to the nearest whole number. 6.125
6
6.1
7
6.13
2.8 ÷ 4
7
0.7
0.07
70
1,800 x 30 =__________
5,400
54,000
540,000
5,400,000
Round the factors and estimate the products.
756 × 203 ≈
16,000
160,000
1,600,000
1600
Round the factors and estimate the products.
3,164 × 8,741 ≈
27,000,000
2,700,000
270,000
27,000
54x 29=
1,566
10,566
156
1,576
Estimate the product.
23.2 × 41 ≈
800
900
1000
1200
If the product of 375 × 25 is 9,375, what is the product of 375 × 2.5?
937.5
9375
93.75
9.375
If 347 × 53 = 18,391 then 3.47 × 53 = ______________
183.91
18391
18.391
1839.1
7.31×23=
140.00
168.13
167.93
169.03
554 × 1.35 =
747.90
7479
4486
44.86
2.02 × 304 =
614.08
1818
108.18
6011.8
3.6 ÷ 60
.8
.08
.6
.06
562 ÷ 73 ≈
.8
8
80
800
1475 ÷ 688 ≈
.2
2
20
200
9 ÷ 4 (with a decimal) is...
2 R1
2.1
2.8
2.25
7.15 divided by 50
14.3
1.43
0.143
14.3
Estimate the product.
23.2 × 41 ≈
800
900
1000
1200
Estimate the product.
1.6 × 33 ≈
60
30
80
35
What is the product of 6.4 x 10?
6.40
64
0.64
640
What is the product of 5.3 x 100
53
0.53
530
5,300
12.65÷10
126.5
1.265
1,265
12.65
What is a reasonable estimate for the problem
6
24
5
2
500 X 600
300,000
30,000
350,000
35,000
What is the best estimate for
412 ÷ 84 =
50
8
5
80
Estimate: 7,620 ÷53 =
150
160
15
16
Estimate: 485 ÷92
50
10
5
6
Estimate: 540 ÷61
6
90
60
9
What is the best estimate for
22.5÷3 ?7
10
3
4
What is the best estimate for
4.2÷5 ?0
5
2
1
Which of the following would have an estimate of 4?
29.2÷5
19.8÷5.1
54÷4.7
8.8÷3
Connor cuts a board with a length of 78.5 centimeters into 4 equal pieces. Which is the best estimate for the length of each piece?
2 cm
5 cm
20 cm
25 cm
Which is the best estimate for
25.1÷8 ?2
1
5
3
Choose the product that is most reasonable for 2.6 × 8.9 based on your estimate.
2314
231.4
23.14
2.314
Choose the product that is most reasonable for 5.17 × 4.8
248.18
24.816
2481.6
2.4816
Where would the decimal point go in the quotient for 9.45 ÷ 9?
10.5
1.05
105.0
0.105
24.2 ÷ 42 ≈
0.6
0.06
0.006
6
3.53 ÷ 51 ≈
0.5
0.05
5
0.005
9.13 ÷ 23 ≈
0.3
0.03
0.003
3
79.2 ÷ 39 ≈
0.2
0.02
0.002
2
7.19 ÷ 58 ≈
12
1.2
0.12
0.012
91.3 ÷ 42 ≈
0.2
0.02
0.002
2
