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1st grade · Math · Unit 4 of 14

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.

Minnesota K-12 Academic Standards benchmark: 1.3.5.6; 1.3.6.3 · solving subtraction stories within 20 and finding the unknown number in an equation

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 Minnesota

In the Minnesota K-12 Academic Standards, this is unit 4 of 14 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: Minnesota Department of Education (MDE)

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

    There are 19 🐞 on a leaf. 8 crawl away. How many are left?

    🐞19 − 8
    • 14
    • 11
    • 13

  2. Question 2

    Maya had 14 🍇 and ate 4. How many are left?

    🍇🍇🍇🍇🍇🍇🍇🍇🍇🍇❌❌❌❌
    • 7
    • 16
    • 10

  3. Question 3

    There are 18 🦆 in a pond. 2 swim away. How many are left?

    🦆18 − 2
    • 16
    • 19
    • 18

  4. Question 4

    What is 20 − 6?

    20 − 6 = ?

    answer box

  5. Question 5

    What is 16 − 6?

    16 − 6 = ?

    • 13
    • 10
    • 15

  6. Question 6

    4 + 1 = 5. So what is 5 − 1?

    5 − 1 = ?

    • 4
    • 6
    • 5

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