## At A Glance

### Adding and subtracting rational numbers

You've already got 2 cups of sugar in the cupboard. Your grandmother's recipe for disgustingly-sweet-fudge-cake calls for 3 and 1/3 cups of sugar. How much sugar do you need to borrow from you robot neighbor?Adding and subtracting fractions is key. It might be a good idea to look at the equivalent fractions tutorial before tackling this one.Common Core Standards: 7.NS.A.1d

Topics: General Mathematics
Cost: Free

## Overview

### Description

You've already got 2 cups of sugar in the cupboard. Your grandmother's recipe for disgustingly-sweet-fudge-cake calls for 3 and 1/3 cups of sugar. How much sugar do you need to borrow from you robot neighbor?Adding and subtracting fractions is key. It might be a good idea to look at the equivalent fractions tutorial before tackling this one.Common Core Standards: 7.NS.A.1d

### Details

• Days of the Week: Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, Sunday
• Level of Difficulty: Beginner
• Size: One-on-One
• Instructor: Sal Khan
• Cost: Free