# Lesson Worksheet: Common Multiples Mathematics • 4th Grade

In this worksheet, we will practice finding the common multiples of two whole numbers by listing their multiples.

Q1:

Identify the first three common multiples of 3 and 7.

• A2, 4, 6
• B21, 42, 84
• C42, 63, 84
• D2, 3, 4
• E21, 42, 63

Q2:

Find all the multiples of both 3 and 5 that are less than 65.

• A0,3, 5, 15, 30
• B0,3, 5, 30, 45
• C0,15, 30, 48, 65
• D0,15, 30, 45, 60

Q3:

Find all the common multiples of 10 and 9 up to and including 450.

• A
• B
• C
• D

Q4:

Find all the common multiples of 2, 4 and 9 up to and including 72.

• A
• B72
• C
• D

Q5:

Which of the following is a multiple of both 7 and 2 and of their product 14?

• A21
• B91
• C84
• D23
• E4

Q6:

If the common multiples of and are , determine two possible values for each of and .

• A and , and
• B and , and
• C and , and
• D and , and
• E and , and

Q7:

The common multiples of and 48 are . Find four different possible values of .

• A16, 24, 48, and 96
• B16, 24, 32, and 48
• C2, 3, 4, and 5
• D10, 14, 18, and 26
• E8, 12, 16, and 24

Q8:

Find the smallest 3-digit common multiple of 6 and 12.

Q9:

Which number is a multiple of 3 and a multiple of 7? Q10:

Find three common multiples of the numbers 11, 7, and 10.

• A770, 1,540, 2,310
• B110, 220, 330
• C110, 70, 10
• D77, 154, 231
• E70, 140, 210

Q11:

Chloe has bought two different types of tiles for her bathroom with dimensions (type 1) and (type 2). She wants to make patterns by alternating groups of tiles of each type as shown in the diagram. What is the minimum number of each type of tile she can use in each group?

• AType 1:1, Type 2: 1
• BType 1: 4, Type 2: 6
• CType 1: 2, Type 2: 3
• DType 1: 6, Type 2: 4
• EType 1: 3, Type 2: 2

Q12:

Identify the first three common multiples of 5 and 13.

• A2, 4, 6
• B65, 130, 260
• C130, 195, 260
• D2, 3, 4
• E65, 130, 195

Q13:

Find all the common multiples of 2, 3 and 6 up to and including 48.

• A
• B36
• C
• D

Q14:

Find all the multiples of both 3 and 7 that are less than 95.

• A0,3, 7, 21, 42
• B0,3, 7, 42, 63
• C0,21, 42, 66, 91
• D0,21, 42, 63, 84

Q15:

Find all the multiples of both 4 and 5 that are less than 90.

• A0,4, 5, 20, 40
• B0,4, 5, 40, 60
• C0,20, 40, 64, 85
• D0,20, 40, 60, 80

Q16:

Which of the following pairs of numbers have a common multiple of 24?

• A6 and 11
• B7 and 17
• C5 and 2
• D2 and 12

Q17:

Are all multiples of 8 also multiples of 4?

• AYes
• BNo

Q18:

Benjamin found a common multiple of the numbers 2, 3, and 4. Which of these could not be the common multiple that he found?

• A120
• B0
• C60
• D24
• E160

Q19:

For homework, Olivia must write some of the multiples of the numbers and in the Venn diagram below. Supposing she correctly puts 6, 12, and 18 in the shaded region, which of the following could the numbers and be?

• A2 and 3
• B2 and 9
• C2 and 4
• D3 and 4
• E3 and 9

Q20:

On a test, Jacob must write some of the multiples of the numbers , , and in the following Venn diagram. Supposing he correctly puts 12, 24, and 36 in the shaded region, which of the following could the numbers , , and be?

• A3, 4, and 8
• B2, 3, and 4
• C2, 3, and 9
• D3, 4, and 9
• E2, 3, and 8