Bar Models and Equations

Front

What is a bar model?

Back

A bar model is a visual representation used to illustrate mathematical concepts, particularly in arithmetic and algebra. It uses bars to represent numbers and their relationships, helping students understand addition, subtraction, multiplication, and division.

Tags

CCSS.4.NBT.B.5

Front

How can a bar model help in solving equations?

Back

A bar model helps visualize the relationships between quantities in an equation, making it easier to understand how to manipulate the equation to find the unknown variable.

Tags

CCSS.7.EE.B.4A

Front

Back

This equation represents a situation where a total of 107 is made up of an unknown quantity (x) and 39. The bar model would show one bar for x and another for 39, with a total bar representing 107.

Tags

CCSS.1.OA.A.1

Front

Back

Tags

CCSS.6.EE.B.7

Front

Back

This equation represents a situation where y is the result of multiplying 8.3 by 5. The bar model would show one bar for 8.3 repeated 5 times.

Tags

CCSS.4.NBT.B.5

Front

Back

Tags

CCSS.6.EE.B.7

Front

Back

This equation represents a situation where 2 is divided by an unknown quantity b, resulting in 37.2. The bar model would show a bar of length 2 divided into b equal parts.

Tags

CCSS.5.NF.B.3

Front

Back

Tags

CCSS.6.EE.B.7

Front

Back

This equation represents a situation where a total of 152 is made up of 57 and an unknown quantity y. The bar model would show one bar for 57 and another for y, with a total bar representing 152.

Tags

CCSS.1.OA.A.1

Front

Back

Tags

CCSS.6.EE.B.7