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6. Equations & Inequalities
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United States of America
Grade 6

6.02 Model balanced equations

Lesson
Practice
Adaptive
Worksheet

Interactive practice questions

Scale $1$1 is a balanced scale.

Scale $1$1:

A black-shaded square labeled +1.  

Scale $2$2:

 

Two balance scales with a triangular fulcrum at the center supporting a horizontal beam. In Scale 1, on the left side of the fulcrum, there is a blue rectangular tile labeled $+x$+x. On the right side of the fulcrum, there are three dark blue square tiles, each labeled $+1$+1. In Scale 2, on the left side of the fulcrum, there are two blue rectangular tiles, each labeled $+x$+x. On the right side of the fulcrum, there is a large question mark positioned above it.

Which of the following options could go in place of the question mark to balance scale $2$2?

A black-shaded square labeled as $+1$+1.
A black-shaded square labeled as $+1$+1.
A black-shaded square labeled as $+1$+1.
A black-shaded square labeled +1.

 

 

A
A black-shaded square labeled as $+1$+1.
A black-shaded square labeled as $+1$+1.
A black-shaded squarelabeled as $+1$+1.
A black-shaded square labeled as $+1$+1.

A black-shaded square labeled +1.  

B
A blue-shaded rectangle labeled as $+x$+x.
C
A black-shaded square labeled as $+1$+1.
A black-shaded square labeled as $+1$+1.
A black-shaded square labeled +1.

 

 

 

D
Easy
< 1min

Scale $1$1 is a balanced scale.

Medium
< 1min

Scale $1$1 is a balanced scale.

Medium
< 1min

Scale $1$1 is a balanced scale.

Medium
< 1min
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Outcomes

6.EE.A.4

Identify when two expressions are equivalent (i.e., When the two expressions name the same number regardless of which value is substituted into them).

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