# CCSS.MATH.CONTENT.3.OA.D.8 : Third Grade Math Worksheets

Solve two-step word problems using the four operations. Represent these problems using equations with a letter standing for the unknown quantity. Assess the reasonableness of answers using mental computation and estimation strategies including rounding.

Here is a collection of our common core aligned worksheets for core standard 3.OA.D.8.

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3.OA.D      3.OA.D.8

Add or subtract to find the missing numbers.

Core Standard: 3.OA.D.8

Read and solve the word problems.

Core Standard: 3.OA.D.8

Read and solve the word problems.

Core Standard: 3.OA.D.8

Choose the Operation

Choose addition or subtraction to solve each word problem.

Core Standard: 3.OA.D.8

Problem Solving

Read and solve the word problems. Then write +, –, X, or ÷ in the blank to complete each equation.

Core Standard: 3.OA.D.8

Expressions and Equations

Write +, –, X, or ÷ in the blank to complete each equation, then solve the word problems.

Core Standard: 3.OA.D.8

Expressions and Equations

Write an expression. Then write an equation to solve.

Core Standard: 3.OA.D.8

Fishy Division and Multiplication

Practice finding the quotient and the product in this mixed operations worksheet.

Core Standard: 3.OA.D.8

Choosing The Operation

Read the problem, choose the operation, then solve.

Core Standard: 3.OA.D.8

Find the correct operation to fill in the missing numbers in the number sentences.

Core Standard: 3.OA.D.8

Practice addition and subtraction in this worksheet.

Core Standard: 3.OA.D.8

Multistep Problems

Read and solve the multistep word problems.

Core Standard: 3.OA.D.8

More and Less

Write more or less than a given number.

Core Standard: 3.OA.D.8

Crack The Code

Add and subtract to find what the elephant mom said to its calf.

Core Standard: 3.OA.D.8

Colorful Numbers

Add or subtract, then use the key to color the boxes.

Core Standard: 3.OA.D.8

Write + or – to make each number sentence true. Then solve the number riddles in this worksheet.

Core Standard: 3.OA.D.8

Core Standard: 3.OA.D.8

Core Standard: 3.OA.D.8

Read and solve the addition word problems ( 2- and 3- digits ).

Core Standard: 3.OA.D.8

Subtraction

Practice solving subtraction word problems.

Core Standard: 3.OA.D.8