Add Within 100 Using Two 2-Digit Numbers With Regrouping Introduction

Find the sum.

What equation is the number line showing?

Solve this addition problem. Type in your answer.

Type in the equation represented by these place value blocks.

Which expressions are equal to 83? Select ALL that apply.

Find the missing number to make this equation true.

Click on the two sets of blocks that equal 56 when added together.

Find the sum of each expression and put them in order from least to greatest.

Allie says that we do not need to use regrouping when adding 35 to 35. Do you agree with Allie? Explain.

What is the distance of the green and red arrow combined? How do you know? Type in your answer below.