Mathematics Grade 1 15 min

Relate addition and subtraction sentences

Relate addition and subtraction sentences

What you'll learn

  • Identify the addition sentence that matches a given subtraction sentence with numbers less than 10.
  • Solve for the missing number in an addition or subtraction sentence (within 10) and explain how the two sentences are related.
  • Write a subtraction sentence that can be used to solve a given addition sentence (within 10).
  • Apply the relationship between addition and subtraction to find the missing number in a number sentence (e.g., 3 + ? = 5, or 5 - ? = 3).

Tutorial Preview

1

See how 3 + 4 = 7 relates to subtraction.

2

See how 8 - 5 = 3 relates to addition.

3

Find the missing number: 6 + ? = 10

Sample Practice Questions

Easy
Which number sentence is in the same fact family as 2 + 3 = 5?
0.5 + 2 = 7
1.5 - 2 = 3
2.3 - 2 = 1
3.2 + 2 = 4
Easy
Which number sentence is related to 1 + 4 = 5?
0.4 - 1 = 3
1.5 - 1 = 4
2.5 + 1 = 6
3.1 + 1 = 2
Easy
Which number sentence is related to 4 - 3 = 1?
0.4 + 3 = 7
1.3 - 1 = 2
2.4 - 1 = 3
3.1 + 3 = 4

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Frequently asked questions

What grade level is "Relate addition and subtraction sentences"?

Relate addition and subtraction sentences is a Grade 1 Mathematics lesson on ExcelOS.

What will I learn in Relate addition and subtraction sentences?

You'll be able to: Identify the addition sentence that matches a given subtraction sentence with numbers less than 10; Solve for the missing number in an addition or subtraction sentence (within 10) and explain how the two sentences are related….

Is "Relate addition and subtraction sentences" 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 Relate addition and subtraction sentences?

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

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