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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.

Alabama Course of Study content standard: 1.1; 1.4; 1.6 · solving subtraction stories and subtracting as an unknown-addend problem

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 Alabama

In the Alabama Course of Study, 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: Alabama State Department of Education (ALSDE)

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

    8 + 4 = 12. So what is 12 − 4?

    12 − 4 = ?

    • 11
    • 14
    • 8

  2. Question 2

    What is 16 − 3?

    16 − 3 = ?

    • 13
    • 9
    • 11

  3. Question 3

    There are 17 🐞 on a leaf. 6 crawl away. How many are left?

    🐞17 − 6
    • 6
    • 17
    • 11

  4. Question 4

    What is 17 − 5?

    17 − 5 = ?

    • 13
    • 12
    • 6

  5. Question 5

    Start at 7. Hop back 3. Where do you land?

    0369121518?
    • 4
    • 10
    • 1

  6. Question 6

    There are 19 🎈 at a party. 4 float away. How many are left?

    🎈19 − 4
    • 20
    • 15
    • 5

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