Factors and Multiples
Name the first five multiples of 3.
What are 3, 6, 9, 12, and 15?
Name 5 prime numbers.
What are 2, 3, 5, 7, 11, 13, 17, 19, 23, 29...?
Multiply.
34 x 5
What is 170?
Estimate.
16 x 27
What is 600?
There are 100 chairs to be set up for a concert. One way to arrange them is 2 rows of 50. Name another way the chairs can be arranged in equal rows.
What is
1 row of 100
4 rows of 25
5 rows of 20
10 rows of 10
20 rows of 5
25 rows of 4
or 100 rows of 1?
Name all the factors of 12.
What are 1 and 12, 2 and 6, and 3 and 4?
Name two expressions whose products are prime.
3 x 1
1 x 9
2 x 5
1 x 11
16 x 1
What is 3 x 1 and 1 x 11?
48 x 9
What is 450?
Multiply.
16 x 27
What is 432?
Ms. Hall walks an average of 9,392 steps a day. Calculate how many steps she will walk in 6 days.
What is 56,352 steps?
Name the numbers that are factors of 24.
12
2
5
10
6
What are 12, 2, and 6?
Name the two expressions whose products are composite.
1 x 2
3 x 4
17 x 1
1 x 5
2 x 10
What are 3 x 4 and 2 x 10?
Multiply.
748 x 3
What is 2,244?
Estimate.
58 x 29
What is 1,800?
The Pittsburgh Penguins use an average of 15 hockey pucks a game. Calculate how many hockey pucks will be used for 26 games.
What is 390 pucks?
Name the numbers that are multiples of 6.
56
60
18
62
42
What are 60, 18, and 42?
Identify the list of numbers that are all prime.
7, 2, 11, 13, 6
1, 5, 7, 17, 23
6, 10, 4, 8, 20
13, 19, 37, 5, 2
What is 13, 19, 37, 5, and 2?
Estimate.
824 x 6
Multiply.
58 x 29
What is 1,682?
An elementary school sold bows for a fundraiser. They sold 25 red bows for $9 each and 35 purple bows for $12 each. Calculate the amount of money that was earned.
What is $645?
Name the number that is a multiple of 3 and a factor of 12.
15
2
6
24
What is 6?
Identify the list in which all the numbers are composite.
8, 2, 12, 14, 36
1, 11, 7, 19, 27
16, 10, 24, 18, 20
13, 28, 37, 5, 2
What is 16, 10, 24, 18, and 20?
Multiply.
3,281 x 7
What is 22,967?
Multiply.
327 x 42
What is 13,734?
Sandy Plains Elementary ordered candy bars for a fundraiser. Each box contains 25 candy bars. The school sold 4 boxes in September, 8 boxes in October, and 6 boxes in November. Write an expression to show how many candy bars were sold. Evaluate the expression.
What is (4 + 8 + 6) x 25?
What is 450 candy bars?