Mathematics
Grade 1
15 min
Subtract doubles
Subtract doubles
What you'll learn
- Identify doubles facts (like 2-1=1, 4-2=2, 6-3=3) from a list of number sentences with 80% accuracy.
- Solve subtraction problems involving doubles (up to 10 - 5) using manipulatives, showing the correct answer in 4 out of 5 attempts.
- Explain, using drawings or words, how subtracting a number from its double results in the original number, for at least 2 out of 3 examples.
Tutorial Preview
1
What is 6 - 3?
2
What is 8 - 4?
3
Mia has 12 cookies. She eats 6. How many are left?
Sample Practice Questions
Easy
What is 2 - 1?
0.2
1.0
2.1
3.3
Easy
What is 4 - 2?
0.4
1.1
2.2
3.3
Easy
Solve: 6 - 3 = ?
0.6
1.2
2.4
3.3
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Frequently asked questions
What grade level is "Subtract doubles"?
Subtract doubles is a Grade 1 Mathematics lesson on ExcelOS.
What will I learn in Subtract doubles?
You'll be able to: Identify doubles facts (like 2-1=1, 4-2=2, 6-3=3) from a list of number sentences with 80% accuracy; Solve subtraction problems involving doubles (up to 10 - 5) using manipulatives, showing the correct answer in 4 out of 5….
Is "Subtract doubles" 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 Subtract doubles?
This lesson includes 28 practice questions across multiple difficulty levels, each with instant feedback and explanations.