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Elementary School: 3rd, 4th & 5th Grade
Math
Multiplication And Division 1
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Q.1
What happens when a number is multiplied by 1?
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The number is doubled
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The number does not change
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The number is halved
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The digit moves one place to the right
Q.2
What number do you get if you double 35?
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60
0%
70
0%
80
0%
90
Q.3
30 x 4 = ?
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12
0%
60
0%
120
0%
150
Q.4
How many 6s in 18?
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2
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3
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5
0%
6
Q.5
Which number sentence is incorrect?
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12 x 4 = 48
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4 x 12 = 48
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48 ÷ 12 = 4
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12 ÷ 4 = 48
Q.6
How do we calculate double a number?
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Multiply by 10
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Divide by 2
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Multiply by 2
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Divide by 3
Q.7
What number do you get if you double 18?
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36
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38
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40
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42
Q.8
What number do I get if I share 45 between 5?
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4
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5
0%
9
0%
10
Q.9
A tower is 4 bricks tall; how many bricks in a tower 3 times taller?
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1
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3
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12
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15
Q.10
500 ÷ 10 = ?
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5
0%
50
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250
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5,000
Q.11
Using the tip, what is the correct answer to the given calculation? TIP: To multiply a number by 9: first multiply the number by 10, then subtract the original number from it. 47 × 9 = ?
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432
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423
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342
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324
Q.12
Using the tip, what is the correct answer to the given calculation? TIP: To multiply a number by 8: multiply the number by 2, then by 2 again, and finally by 120 × 8 = ?
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609
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906
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960
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690
Q.13
Using the tip, what is the correct answer to the given calculation? TIP: To multiply a number by 12, first multiply the number by 10, then add twice the original number to it. 38 × 12 = ?
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456
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465
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645
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546
Q.14
Using the tip, what is the correct answer to the given calculation? TIP: To multiply a number by another number which is a multiple of 10 and whose only non zero digit is the leading digit 1: move the decimal point (d.p.) to the right by the same number of zeros that are in the multiple ofNote: whole numbers that do not have decimal parts are written without a d.p. e.g. 200.0 = 200: in such cases the d.p. is not normally needed. 34.56 × 100 = ?
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345.6
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3,456
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34,560
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0.3456
Q.15
Using the tip, what is the correct answer to the given calculation? TIP: To divide a number by 25: divide by 100, then multiply by 225 ÷ 25 = ?
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8
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10
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9
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7
Q.16
Using the tip, what is the correct answer to the given calculation? TIP: To multiply a number by 5: first divide by 2, then move the decimal point (d.p.) to the right. Note: whole numbers that do not have decimal parts are written without a d.p. e.g. 200.0 = 200: in such cases the d.p. is not normally needed. 3,434 × 5 = ?
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17,107
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17,017
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17,710
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17,170
Q.17
Using the tip, what is the correct answer to the given calculation? TIP: To divide a number by 5: first multiply by 2 and then move the decimal point (d.p.) to the left. 888 ÷ 5 = ?
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17,760
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17.76
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1,776
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177.6
Q.18
Using the tip, what is the correct answer to the given calculation? TIP: To multiply a number by 11, first multiply the number by 10, then add the original number to it. 96 × 11 = ?
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1,605
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1,056
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1,560
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1,065
Q.19
Using the tip, what is the correct answer to the given calculation? TIP: To multiply a number by 25: multiply by 100, then divide by 816 × 25 = ?
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24,000
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20,040
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20,400
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20,004
Q.20
Using the tip, what is the correct answer to the given calculation? TIP: To divide a number by another number which is a multiple of 10 and whose only non zero digit is the leading digit 1: move the decimal point (d.p.) to the left by the same number of zeros that are in the multiple ofNote: whole numbers that do not have decimal parts are written without a d.p. e.g. 200.0 = 200: in such cases the d.p. is not normally needed. 76,345 ÷ 1,000 = ?
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76.345
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763.45
0%
7,634.5
0%
0.76345
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