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Worksheet: Multiplying by 3

Q1:

Scarlett knows the answer to 9 × 3 .

Tell her what number to subtract from this to find the answer to 7 × 3 .

What is 7 × 3 ?

Q2:

Let = 3 , so × 2 = 6 .

What number does equal if 4 × = 1 2 ?

Q3:

Fill in the blank: 3 8 g r o u p s o f e q u a l s .

  • A27
  • B21
  • C11
  • D24

Q4:

If a camp stool has 3 legs, how many legs are there in 4 camp stools?

  • A15
  • B7
  • C8
  • D12
  • E9

Q5:

Find the number that, when multiplied by 7, results in 21.

Q6:

Find the missing number.

Q7:

Emma started with 9 stars in 3 groups of 3.

Remove one star from each group. Find the missing numbers.

Q8:

The rule for this input-output table is multiply by 3.

Mason has shown that the pattern for the input numbers is add 2.

Describe the pattern that the output numbers will follow.

  • A multiply by 2
  • B add 2
  • C add 6

Q9:

Find the missing numbers.