# 6.1 Basic Operations

## 6.1.1 Addition and Subtraction

6.1.1 Addition and Subtraction

6.1.1 Addition and Subtraction Lesson

6.1.1 HW - Addition and Subtraction

## 6.1.2 Multiplication review

6.1.2 Multiplication review

## 6.1.3 Division review

6.1.3 Division review

## 6.1.4 Word problems

6.1.4 Word problems

## 6.1.5 Multi-step word problems

6.1.5 Multi-step word problems