3.OA.D.8

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- 3.OA.D.8Solve 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.
- 3.OA.D.9Identify arithmetic patterns (including patterns in the addition table or multiplication table), and explain them using properties of operations. For example, observe that 4 times a number is always even, and explain why 4 times a number can be decomposed into two equal addends.

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## 3.OA.D.8

## 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.

26 Lesson(s)

### Counting Clams - A Tidal Flat Adventure

3rd Grade Math »
Unit: Multiplication

3rd Grade Math »
Unit: Multiplication

### Math with Maples

3rd Grade Math »
Unit: Division in Context

3rd Grade Math »
Unit: Division in Context

### Solving Multi-Step Word Problems

3rd Grade Math »
Unit: Multiplication 2

3rd Grade Math »
Unit: Multiplication 2

### Word Problems With Order of Operations (Day 1 & 2)

3rd Grade Math »
Unit: Multiplication 2

3rd Grade Math »
Unit: Multiplication 2

### Humans vs Narwhals

3rd Grade Math »
Unit: Math and Me: Nutrition, Health and More

3rd Grade Math »
Unit: Math and Me: Nutrition, Health and More

### Fundraiser Finance (Pickles for a Profit)

3rd Grade Math »
Unit: Solving Mult-Step Word Problems Using the Four Operations

3rd Grade Math »
Unit: Solving Mult-Step Word Problems Using the Four Operations

### Breaking Apart Problems

3rd Grade Math »
Unit: More Problem Solving Practice

3rd Grade Math »
Unit: More Problem Solving Practice

### Sharing Maybe?

3rd Grade Math »
Unit: Understanding Division

3rd Grade Math »
Unit: Understanding Division

### Three Fish Limit Multiplication Word Problem

3rd Grade Math »
Unit: Multiplication 2

3rd Grade Math »
Unit: Multiplication 2

### Navigating Road Blocks in Problem Solving

3rd Grade Math »
Unit: Multiply or Divide with Word Problems

3rd Grade Math »
Unit: Multiply or Divide with Word Problems

### Fundraiser Math: Solving for Individual Item Cost

3rd Grade Math »
Unit: Solving Mult-Step Word Problems Using the Four Operations

3rd Grade Math »
Unit: Solving Mult-Step Word Problems Using the Four Operations

### Building Our Problem Solving Tools

3rd Grade Math »
Unit: Multiply or Divide with Word Problems

3rd Grade Math »
Unit: Multiply or Divide with Word Problems

Common Core Math

### Kindergarten

### First Grade

### Second Grade

### Third Grade

### Fourth Grade

### Fifth Grade

### Sixth Grade

### Seventh Grade

### HS Number & Quantity

### HS Algebra

### HS Functions

### HS Geometry

### Kindergarten

### First Grade

### Second Grade

### Third Grade

### Fourth Grade

### Fifth Grade

### Sixth Grade

### Seventh Grade

### Eighth Grade

### Ninth and Tenth Grade

### Kindergarten

### First grade

### Second grade

### Third Grade

### Fourth grade

### Fifth grade

### Middle School

Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

HS Number & Quantity

HS Algebra

HS Functions

HS Geometry

Kindergarten

First Grade

Second Grade

Third Grade

Fourth Grade

Fifth Grade

Sixth Grade

Seventh Grade

Eighth Grade

Ninth and Tenth Grade

Kindergarten

First grade

Second grade

Third Grade

Fourth grade

Fifth grade

Middle School