Worksheet: Related Subtraction Equations

In this worksheet, we will practice writing a family of subtraction facts linking three numbers up to 10 and modeling them with part-whole models.

Q1:

There are 5 carrots. A rabbit eats 3 of them. Which of the following gives the number of carrots left?

  • A3=52
  • B5=32
  • C53=2
  • D32=5
  • E52=3

Which of the following is another subtraction equation for the number of carrots left?

  • A3=52
  • B52=2
  • C2=53
  • D52=3

Q2:

There were 5 balloons. 3 of them popped.

Write a subtraction equation for the number of balloons left.

  • A52=3
  • B53=1
  • C32=1
  • D53=2

Which of the following is also a subtraction equation for the number of balloons left?

  • A2=52
  • B2=53
  • C3=52
  • D1=32

Q3:

Here is a part-whole model.

Pick a subtraction sentence matching the part-whole model.

  • A43=1
  • B43=7
  • C73=3
  • D73=4
  • E34=7

Pick another subtraction sentences that matches the model.

  • A73=3
  • B2=75
  • C7=43
  • D3=74
  • E74=4

Q4:

Here is a part-whole model.

Pick a subtraction sentence matching the part-whole model.

  • A62=2
  • B42=6
  • C42=2
  • D24=6
  • E64=2

Pick the subtraction sentences that does not match the model.

  • A4=64
  • B4=62
  • C2=64
  • D62=4

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