Patterns
Estimating
Factors
Multiplication
Division
100
What is the next number in this multiplication pattern 1, 3, 9, ?? A. 22 B. 24 C. 27 D. 29
C. 27 9 x 3= 27
100
Which answer is a food estimate for 48 x 19? A. 100 B. 1000 c. 500 D. 750
B. 1000 50 x 20= 1000
100
Which is a factor of 35 A. 4 B. 5 C. 6 D 7
B. 5 5 x 7 = 35
100
What is 9 x 6 A. 50 B. 52 C. 54 D. 56
C. 54
100
22/ 2 A. 10 B. 9 C. 11 D. 15
C. 11
200
What is the missing number in this pattern 10, 20, 40, ?? 160 A. 80 B. 90. C. 100 D. 150
A. 80 40 x 2 = 80
200
What is the best estimate for 29 x 29 A. 480 B. 500 C. 600 D. 900
C 600 30 x 30 = 900
200
Which is factor of 20 A. 3 B. 6 C. 7 D 10
D. 10 10 x 2 = 20
200
What is 8 x 8 A. 56 B. 63 C. 64 D 72
C. 64
200
10/ 2 A. 5 B. 8 C. 4 D. 6
A. 5
300
What is the missing number in this pattern 6, 12, 24, ??, 96 A. 44 B. 48 C. 50 D. 52
B. 48 24 x 2= 48
300
What is the best estimate for 89 x 9 A. 100 B. 1900 C. 900 D. 100
C. 900 90 x 10 = 900
300
Which is a factor of 21 A. 6 B. 7 C. 8 D. 9
B. 7 7 x 3 = 21
300
7 x 6 = A. 40 B. 41 C. 42 D. 44
C. 42
400
What is the next number in this division pattern 40, 20, 10, ?? A. 10 B. 8 C. 6 D. 5
D. 5 10 / 2 = 5
400
What is the best way to estimate for 201/9 A. 200 /10 B. 210/9 C. 201/10 D. 100/10
A 200/ 10
400
Which is NOT a factor of 24 A. 4 B. 6 C. 8 D. 10
D. 10 10 x any number is not 24
400
17 x 12
204
500
Complete this multiplication pattern 5, 15, 45, 135, ?? A. 405 B. 505 C 415 D 515
A 405 135 x 3 =145
500
What is best estimate for 5890 x 19 A. 12,000 B. 120,000 C. 1,200,000 D, 12, 000, 000
6000 x 20= 120,000
500
Which is a factor of 72 A. 10 B. 9 C. 50 D. 70
B. 9 9 x 8= 72
500
33 x 23
759
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