# Cans of Paint

Brandon has 18 cans of paint to put on 3 shelves. Brandon puts 7 cans of paint on the first shelf. Brandon puts 5 cans of paint on the second shelf. How many cans of paint does Brandon put on the third shelf? Show all your mathematical thinking.

### More Accessible Version

Brandon has 10 cans of paint to put on 3 shelves. Brandon puts 3 cans of paint on the first shelf. Brandon puts 5 cans of paint on the second shelf. How many cans of paint does Brandon put on the third shelf? Show all your mathematical thinking.

### More Challenging Version

Brandon has 27 cans of paint to put on 4 shelves. Brandon puts 9 cans of paint on the first shelf. Brandon puts 7 cans of paint on the second shelf. Brandon puts 6 cans of paint on the third shelf. How many cans of paint does Brandon put on the fourth shelf? Show all your mathematical thinking.

## Plan

#### Underlying Mathematical Concepts

#### Possible Problem-Solving Strategies

#### Formal Mathematical Language and Symbolic Notation

A student may independently select a printed number line, number chart, ten frames, graph paper, etc. as they work on a task.

### Suggested materials

Engagement Image:

Teachers may project the image below to launch this task for their students, define nouns, promote discussion, access prior knowledge, and inspire engagement and problem solving.