Lesson Worksheet: Adding a Number to Itself by Adding 1 or Subtracting 1 Mathematics

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In this worksheet, we will practice using the result of adding a number to itself to find the result of another addition.

Q1:

Complete the following:

Q2:

Joury was asked to solve .

She wrote

Is her solution correct?

Q3:

Find the missing number.

Q4:

Complete the following addition sentence:

Q5:

Dima 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 .

Q6:

Use

to find

Q7:

Complete the addition sentence.

Q8:

Fill in the blank to double 6: .

7 is one more than 6. Use this to find the answer to .

Q9:

Consider the following.

Find the missing number.

Q10:

Given that , find .

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