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1st grade · Math · Unit 4 of 16

Take Away

How many are left?

What your child practices

Subtracting within 20 by counting back and thinking addition, and solving short take-away and compare stories.

New York State Learning Standards learning standard: NY-1.OA.1; NY-1.OA.4; NY-1.OA.8 · solving subtraction problems, subtraction as an unknown-addend problem, and finding the unknown number

How we explain it

Children can open this short lesson before they practice.

  1. Taking away means some go away.
  2. Start with the whole group.
  3. Count back the number you take away.

Example: 9 − 4 = ? Start at 9. Count back 4: 8, 7, 6, 5. Answer: 5

Take Away in New York

In the New York State Learning Standards, this is unit 4 of 16 in 1st grade Math, after Adding and before Equal or Not.

Gradelings describes a child's practice on this unit as Beginning, Approaching, Meeting or Exceeding (Four practice steps). That reflects practice, not a report-card mark: the teacher decides the mark.

Source: New York State Education Department (NYSED)

Sample questions

A taste of this unit. In the app, questions change every time and get easier or harder to match your child.

  1. Question 1

    What is 11 − 6?

    11 − 6 = ?

    answer box

  2. Question 2

    There are 13 🎈 at a party. 5 float away. How many are left?

    🎈13 − 5
    • 4
    • 8
    • 6

  3. Question 3

    What is 12 − 9?

    12 − 9 = ?

    • 3
    • 2
    • 9

  4. Question 4

    Start at 18. Hop back 3. Where do you land?

    03691218?
    • 17
    • 14
    • 15

  5. Question 5

    Ravi had 12 🫐 and ate 4. How many are left?

    🫐🫐🫐🫐🫐🫐🫐🫐❌❌❌❌
    • 6
    • 8
    • 12

  6. Question 6

    4 + 5 = 9. So what is 9 − 5?

    9 − 5 = ?

    • 9
    • 10
    • 4

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