Lesson Worksheet: Related Addition Equations Mathematics • Kindergarten

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

Q1:

There are 11 black cats and 6 white cats for sale.

The total number of cats is .

Which of the following is also an addition sentence for the number of cats?

• A
• B
• C

Q2:

Write an addition equation for the number of candies Ethan has.

• A
• B
• C
• D

Which of the following is also an addition equation for the number of candies Ethan has?

• A
• B
• C
• D

Q3:

Look at what Sophia did.

She knows she can write addition sentences to match the part-whole model.

Pick the addition sentences that match what she says.

• A
• B

• A
• B

• A
• B

Q4:

David is making part-whole models to show one way of making the number 8.

Find the missing numbers in the addition sentences matching the part-whole model.

Q5:

Which of the following addition equations does not match the given model?

• A
• B
• C

Q6:

Consider the model shown.

Sophia and Amelia represent the given model as follows.

Who is right?

• AAmelia
• BSophia

Q7:

This cube train can represent .

What other addition sentences can be represented by this cube train?

• A and
• B and
• C and

Q8:

Pick a pair of addition sentences that match the bar model.

• A and
• B and
• C and

Q9:

Pick a pair of addition sentences which match the part-whole model.

• A and
• B and
• C and

Q10:

Isabella knows that 7 and 1 make 8. Her friends try to write lots of addition sentences to show this fact.

Whose addition sentences are all correct?

• AOlivia
• BJennifer