Lesson Worksheet: Adding and Subtracting Numbers up to 10 Mathematics • 1st Grade

In this worksheet, we will practice solving problems by deciding whether to add or subtract and then completing equations by adding and subtracting within 10.

Q1:

A pizza had 8 slices. 3 of them had pepperoni on them.

Which of these tells you how many slices did NOT have pepperoni?

  • A83
  • B5+3
  • C8+3

Q2:

There were 4 cupcakes on a plate. 2 of them had chocolate frosting.

Which of these tells you how many did not have chocolate frosting?

  • A32
  • B4+2
  • C42

Q3:

A fisherman caught 2 fish. Then, he caught 1 more.

Which of these tells you how many fish he caught in total?

  • A2+2
  • B21
  • C2+1

Q4:

8 children are at a party, but then 2 have to leave. Which of these tells you how many children are left at the party?

  • A82
  • B6+2
  • C8+2

Q5:

5 children are playing a game. 3 more children join in.

Which of these tells you how many children are there in total?

  • A53
  • B8+3
  • C5+3

Q6:

You have 4 blue sweaters and 3 red ones. How many sweaters do you have?

  • A103=7
  • B4+3=7
  • C43=7

Q7:

There are 8 children playing. 3 of them are boys. Pick the subtraction sentence that shows how many girls there are.

  • A83=5
  • B3+5=8
  • C8+3=5

Q8:

This garden had 5 flowers. Then, Jennifer picked 2 flowers. How many flowers are left in the garden?

  • A53=2
  • B52=3
  • C5+2=3

Q9:

Choose the two numbers with the largest sum: 3, 4, 2, 1.

  • A1, 3
  • B2, 3
  • C3, 4
  • D1, 2

Q10:

Select the two numbers with the largest difference: 6, 7, 5, 4.

  • A4, 5
  • B6, 7
  • C5, 6
  • D4, 7

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