Factors and Multiples
List all the factors of 32.
1, 2, 4, 8, 16, 32.
What is the area of this rectangle?
A=______________
45 square inches
Lily measures her desk at 9 inches. Kim measures the teacher's desk and it is 14 times longer than Lily's desk. What is the length of the teacher's desk?
126 inches
135÷5=
27
46x3=
138
List the first six multiples of 8.
8, 16, 24, 32, 40, 48.
What is the perimeter of this rectangle?
A=______________
38 cm
Casey finds 76÷2 on a place value chart:
Casey made a mistake. What is her mistake and what is the correct quotient?
Casey forgot to move the extra ten over to the ones after creating groups of 2. The correct quotient is 38.
204÷6=
34
78x5=
390
List all the factors of 48.
1, 2, 3, 4, 6, 8, 12, 16, 24, 48.
What are the area and perimeter of this rectangle?
A=_______________
P=_______________
A= 48 square inches
P= 28 inches
Ian reads 8 pages of his book for homework. Elliott reads 21 times as many pages as Ian. How many pages does Ian?
168 pages
322÷7=
46
91x7=
637
Which numbers are multiples of 7? Choose THREE correct answers.
A. 25
B. 14
C. 32
D. 56
E. 35
F. 27
B, D, E.
What are the area and perimeter of this rectangle?
A=_____________
P=_____________
A= 68 square inches
P= 42 inches
Emily creates the following pattern: Up, Down, Right, Left.
Part A
What will the 5th term in the pattern be?
Part B
What will the 99th term in the pattern be? How do you know?
Up
The 99th term in the pattern will be left. I know this because the 100th term in the pattern is up because 100 is a multiple of 5.
440÷8=
55
Complete the area model and equation to find 53x4.
__________+__________=___________
3, 200
200+12=212
Think about the number 21.
Part A
List all the factors of 21.
Part B
Which statement is true about the number 21?
A. 21 is a prime number because it is odd
B. 21 is a composite number because it is odd
C. 21 is a prime number because it only has two factors
D. 21 is a composite number because it has more than 2 factors
1, 3, 7, 21
D. 21 is a composite number because it has more than 2 factors
Find the missing side.
C=____________
16 inches
Robin starts at the number 7. She creates a pattern by using the rule: add 3.
Part A
Complete the pattern: 7, __, __, __, __.
Part B
Will the 65th term in the pattern be even or odd? How do you know?
7, 10, 13, 16, 19.
The 65th term in the pattern will be odd. I know this because the 5th term in the pattern is odd and 65 is a multiple of 5.
Which expression can be used to find 296÷4?
A. (28÷4)+(16÷4)
B. (280÷4)+(16÷4)
C. (290÷4)+(16÷4)
D. (296÷3)+(296÷1)
B. (280÷4)+(16÷4)
Complete the area model and equation to find 87x8.
___________+___________=__________
7, 640
640+56=696