Multiples & Factors
Which numbers are multiples of 6? (Choose three.)
6, 12, 18, 24, .....
What is 46 times 7?
322
What does the distributive property help you do?
Break apart a number to multiply easily.
Find the area of a 4 in by 5 in rectangle.
20 square inches
Start at 2. Add 2 each time. What’s the next term after 8?
10
List all the factors of 21.
1, 3, 7, 21
What is 162 divided by 3?
54
Solve 5 × (10 + 3)
65
Find the perimeter of a 6 in by 3 in rectangle.
18 inches
Start at 3. Add 3 each time. What comes after 9?
12
Is 21 prime or composite? Explain.
Composite – it has more than 2 factors.
Which expression can be used to find 296 divided by 4?
A. (28 ÷ 4)+ (16 ÷ 4)
B. (280 ÷ 4)+ (16 ÷ 4)
C. (290 ÷ 4)+ (16 ÷ 4)
D. (296 ÷ 3)+ (296 ÷ 1)
B
Find 7 × (20 + 5).
175
What’s the formula for area?
Length × width
Start at 5. Add 5 each time. What are the first four numbers?
5, 10, 15, 20
What does “multiple” mean?
The product of a number and any whole number.
Explain how to check a division problem using multiplication.
Multiply the quotient by the divisor to see if you get the dividend.
Use the distributive property to solve 9 × 24.
(9 × 20) + (9 × 4) = 216
What’s the formula for perimeter?
Add all sides
Start at 1 and double each time. What are the first three numbers?
1, 2, 4
What does “factor” mean?
A number that divides another number evenly.
Solve this: A bus has 6 rows with 8 seats each. If 4 buses are used, how many seats total?
192 seats.
Explain 8 × (30 + 7).
(8 × 30) + (8 × 7) = 240 + 56 = 296
A rectangle has area 56 sq in and width 7 in. Find the length.
8 inches
Start at 10 and add 4 each time. What will the 10th term be?
46