Worksheet: Doubles Plus One

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In this worksheet, we will practice adding two consecutive numbers with sums up to 20 by finding one more than a doubles fact.

Q1:

Use

to find

Q2:

Notice that 4 is one more than 3.

So the answer to 3+4 is one more than the answer to 3+3.

If 3+3=6, which of the following is equal to 3+4?

  • A 3 + 4 + 4
  • B 6 + 4
  • C 6 + 1

Q3:

Victoria was asked to solve 8+9.

She wrote

Is her solution correct?

  • ANo
  • BYes

Q4:

Charlotte tried to solve 6+7 by using the doubling numbers facts, but she got the answer wrong.

Her teacher circled the mistake in her answer. Help her by finding 6+7.

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