Mathematics Grade 1 15 min

Subtraction facts - numbers up to 18

Subtraction facts - numbers up to 18

What you'll learn

  • Solve simple subtraction problems with numbers up to 10 using objects or drawings with 80% accuracy.
  • Identify the missing number in a subtraction sentence (e.g., 7 - ___ = 3) with 70% accuracy.
  • Explain, using pictures or words, what happens when you take away objects from a group, with 100% accuracy.
  • Solve subtraction word problems with numbers up to 18, using manipulatives or drawings, with 60% accuracy.

Tutorial Preview

1

What is 8 - 3?

2

What is 12 - 9?

3

What is 14 - 6?

Sample Practice Questions

Easy
You have 10 cookies. You eat 2. How many cookies are left?
0.6
1.8
2.10
3.12
Easy
There are 12 birds on a branch. 4 fly away. How many birds are still on the branch?
0.8
1.12
2.4
3.16
Easy
What number do you get when you take 7 away from 17?
0.7
1.17
2.24
3.10

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Frequently asked questions

What grade level is "Subtraction facts - numbers up to 18"?

Subtraction facts - numbers up to 18 is a Grade 1 Mathematics lesson on ExcelOS.

What will I learn in Subtraction facts - numbers up to 18?

You'll be able to: Solve simple subtraction problems with numbers up to 10 using objects or drawings with 80% accuracy; Identify the missing number in a subtraction sentence (e.g., 7 - ___ = 3) with 70% accuracy; Explain, using pictures or words….

Is "Subtraction facts - numbers 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 Subtraction facts - numbers up to 18?

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

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