Curriculum
1st Grade Math - NBT.C.4. - Add Within 100 With Two 2-Digit Numbers (No Regrouping)
1st Grade Math - NBT.C.4. - Add Within 100 With Two 2-Digit Numbers (No Regrouping)
1st Grade Math - NBT.C.4. - Add Within 100 With Two 2-Digit Numbers (No Regrouping)
1st Grade Math - NBT.C.4. - Add Within 100 With Two 2-Digit Numbers (No Regrouping)

11 Questions

CCSS.Math.Content.1.NBT.C.4
STIM.A.Algebraic
STIM.B.Visual Analysis
STIM.D.Claims
STIM.E.Explain Steps/Thinking
STIM.F.Find and Correct Errors
STIM.I.Comparing
STIM.L.Convert Visuals to Expressions, Equations, or Inequalities
STIM.M.Conditional
STIM.O.Situational Analysis
1

Add Within 100 Using Two 2-Digit Numbers With No Regrouping Introduction

2

Find the sum.

3

What equation is the number line showing?

4

Solve this addition problem. Type in your answer.

5

Type in the equation represented by these place value blocks.

6

Which expressions are equal to 66? Select ALL that apply.

7

Find the missing number to make this equation true.

8

Click on the two sets of blocks that equal 84 when added together.

9

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

10

Jacob says that his equation of 21 + 55 = 76 matches the image below. Do you agree with Jacob? Explain.

11

Did Jo make a mistake when adding the two numbers below? If so, what mistake did she make and what should the answer be? Type in your answer below.

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