Worksheet: Doubles Plus One

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 is one more than the answer to .

If , which of the following is equal to ?

Q3:

Olivia was asked to solve .

She wrote

Is her solution correct?

Q4:

Jennifer tried to solve by using the doubling numbers facts, but she got the answer wrong.

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

Q5:

Complete the following:

Q6:

Complete the following addition sentence:

Q7:

Find the missing number.