Mathematics Grade 1 15 min

Addition facts - sums up to 18

Addition facts - sums up to 18

What you'll learn

  • Solve addition problems with sums up to 18 using objects or drawings with 80% accuracy.
  • Identify addition facts that equal a specific number between 10 and 18 (e.g., name two facts that equal 12) with 70% accuracy.
  • Explain how to solve an addition problem by counting on from the larger number, using words or pictures.

Tutorial Preview

1

What is 8 + 4?

2

What is 7 + 7?

3

What is 6 + 7?

Sample Practice Questions

Easy
You have 5 red apples and 4 green apples. How many apples do you have in all?
0.8
1.9
2.10
3.5
Easy
There are 8 birds on a branch. 3 more birds fly to the branch. How many birds are there now?
0.10
1.8
2.11
3.12
Easy
Sam has 9 crayons. His friend gives him 5 more. How many crayons does Sam have now?
0.12
1.13
2.15
3.14

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Frequently asked questions

What grade level is "Addition facts - sums up to 18"?

Addition facts - sums up to 18 is a Grade 1 Mathematics lesson on ExcelOS.

What will I learn in Addition facts - sums up to 18?

You'll be able to: Solve addition problems with sums up to 18 using objects or drawings with 80% accuracy; Identify addition facts that equal a specific number between 10 and 18 (e.g., name two facts that equal 12) with 70% accuracy; Explain how….

Is "Addition facts - sums up to 18" free to practice?

Yes. You can read the tutorial preview for free, and signing up for a free ExcelOS account unlocks the full tutorial and all practice questions with instant feedback.

How many practice questions are included with Addition facts - sums up to 18?

This lesson includes 28 practice questions across multiple difficulty levels, each with instant feedback and explanations.

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