Multiples and Factors
Which numbers are multiples of 6?
A. 12 B. 14 C. 18 D. 20
A. 12 C. 18
Multiply.
42 × 3 =
126
Which expression shows how to use the distributive property to solve 9 × 24?
A. (9 × 20) + (9 × 4)
B. (9 × 2) + (9 × 40)
C. (9 × 4) + (9 × 6)
D. (9 × 2) + (9 × 8)
A. (9 × 20) + (9 × 4)
Find the perimeter of the rectangle with each side length as 7 cm.
28 cm.
Liz starts at the number 5. She creates a pattern using the rule: Add 4.
Complete the first six terms in Liz’s pattern.
5, ___, ___, ___, ___, ___
9, 13, 17, 21, 25
Write all the factors of 24.
2, 3, 4, 5, 6, 8, 12
Divide.
72 ÷ 9 =
8
Use the distributive property to solve.
7 × 19 = 7 x (10+9)
= (7 × 10) + (7 × ___)
= ______ + _______
= ________
7 x 19 = 7 x (10+9)
= (7 × 10) + (7 × 9)
= 70 + 63
= 133
Which rectangle has a greater area?
A. 8 in × 6 in B. 9 in × 5 in
A. 8 in x 6 in = 48 squared inches
Will the 40th term in Liz’s pattern be even or odd? Explain how you know.
Odd. Starting number is 5 (odd). Adding 4 (an even number) keeps parity the same, so every term is odd.
Which statement is true about the number 15?
A. 15 is a prime number because it is odd.
B. 15 is a composite number because it has more than 2 factors.
C. 15 is a prime number because it only has 2 factors.
D. 15 is a composite number because it is even.
B. 15 is a composite number because it has more than 2 factors.
Which expression can be used to find 324 ÷ 3?
A. (300 ÷ 3) + (24 ÷ 3)
B. (32 ÷ 3) + (4 ÷ 3)
C. (330 ÷ 3) + (6 ÷ 3)
D. (324 ÷ 2) + (324 ÷ 1)
A. (300 ÷ 3) + (24 ÷ 3)
Fill in the blanks using the distributive property.
6 × 13 = 6 × (10 + 3)
= (6 × ____ + (6 × ____)
= 60 + 18
= ______
6 x 13 = 6 x (10+3)
= (6 × 10) + (6 × 3)
= 60 + 18
= 78
A rectangle has a length of 7 inches and a width of 5 inches.
The area is ______ square inches.
The perimeter is ______ inches.
Area: 7 × 5 = 35 square inches
Perimeter: 7 + 5 + 7+ 5 = 24 inches
Luke drives 9 miles. Carla drives 4 times as many miles.
How many miles does Carla drive?
9 × 4 = 36 miles
Choose the three numbers that are multiples of 3.
6 8 12 14 18 21
6 12 21
Divide.
128 ÷ 4 =
32
Mia multiplies 8 × 12 by using the distributive property but writes: 8 × 12 = (8 × 10) + (8 × 1) = 88
What mistake did Mia make? Explain and show the correct product.
Mia treated 12 as 10 + 1 instead of 10 + 2.
8 × 12 = (8 × 10) + (8 × 2)
= 80 + 16
= 96
A rectangle has an area of 63 square inches and a length of 9 inches.
What is the width?
63 ÷ 9 = 7 inches
A total of 84 pencils are divided equally among 6 students.
How many pencils does each student get?
84 divided by 6 = 14 pencils each
Which number is not a factor of 36?
A. 3 B. 4 C. 5 D. 6
C.5
Draw an area model to find the answer for 9 × 27.
243
Solve using the Distributive Property. 5 × 36 =
5 x 36 = 5 x (30+6)
= (5 x 30) + (5 x 6)
= 150 + 30
= 180
Find the area and perimeter of a rectangle with length 12 inches and width 3 inches.
Area = ______ Perimeter = ______
Area = 12 × 3 = 36 square inches
Perimeter = 12 + 3 + 12 + 3 = 30 inches
A farmer plants 7 rows of corn with 18 plants in each row.
How many corn plants does the farmer plant in all?
7 × 18 = 126 plants