Lesson 2 of 8 · Grade 1
Take some away
Subtracting means taking some away. Count what is left.
Step 1
Learn it
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Start with a group
There are 7 dots.
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Take some away
Cross out 2. The minus sign − means take away.
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Count what is left
5 are left. 7 − 2 = 5.
Step 2
Watch how
Two examples, worked out one step at a time.
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8 − 3 = ?
Start with 8. Cross out 3. Count what is left: 5.
Answer: 5 -
10 − 4 = ?
Start with 10. Cross out 4. 6 are left.
Answer: 6
Step 3
Practice
Five questions. Think first. Then tap Show answer.
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5 − 2 = ?
Show answer
3
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9 − 4 = ?
Show answer
5
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6 − 1 = ?
Show answer
5
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10 − 7 = ?
Show answer
3
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12 − 2 = ?
Show answer
10