Elementary School: 1st and 2nd Grade - Math - Multiplication And Division 1 Solution

Q.1.

What happens when a number is multiplied by 1?

4%
The number is doubled
92%
The number does not change
4%
The number is halved
0%
The digit moves one place to the right

Q.2.

What number do you get if you double 35?

11%
60
79%
70
5%
80
5%
90

Q.3.

30 x 4 = ?

0%
12
5%
60
90%
120
5%
150

Q.4.

How many 6s in 18?

11%
2
74%
3
11%
5
5%
6

Q.5.

Which number sentence is incorrect?

33%
12 x 4 = 48
6%
4 x 12 = 48
6%
48 ÷ 12 = 4
56%
12 ÷ 4 = 48

Q.6.

How do we calculate double a number?

6%
Multiply by 10
24%
Divide by 2
71%
Multiply by 2
0%
Divide by 3

Q.7.

What number do you get if you double 18?

75%
36
15%
38
10%
40
0%
42

Q.8.

What number do I get if I share 45 between 5?

6%
4
18%
5
71%
9
6%
10

Q.9.

A tower is 4 bricks tall; how many bricks in a tower 3 times taller?

6%
1
12%
3
82%
12
0%
15

Q.10.

500 ÷ 10 = ?

0%
5
93%
50
0%
250
7%
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 = ?

14%
432
71%
423
14%
342
0%
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 = ?

18%
609
9%
906
73%
960
0%
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 = ?

38%
456
12%
465
25%
645
25%
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 = ?

38%
345.6
46%
3,456
15%
34,560
0%
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 = ?

0%
8
50%
10
50%
9
0%
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 = ?

12%
17,107
12%
17,017
12%
17,710
62%
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 = ?

12%
17,760
12%
17.76
12%
1,776
62%
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 = ?

0%
1,605
75%
1,056
12%
1,560
12%
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 = ?

0%
24,000
38%
20,040
62%
20,400
0%
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 = ?

78%
76.345
22%
763.45
0%
7,634.5
0%
0.76345

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