# 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?

• A
• B
• C

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?

• A
• B
• C

Q3:

A fisherman caught 2 fish. Then, he caught 1 more. Which of these tells you how many fish he caught in total?

• A
• B
• C

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?

• A
• B
• C

Q5:

5 children are playing a game. 3 more children join in. Which of these tells you how many children are there in total?

• A
• B
• C

Q6:

You have 4 blue sweaters and 3 red ones. How many sweaters do you have? • A
• B
• C

Q7:

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

Q8:

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

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