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6. Equations & Inequalities
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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 dark blue square tile labeled as +1.  

Scale $2$2:

Two balance scales with a triangular fulcrum at the center supporting a horizontal beam. The balance scale on top is labeled "Scale $1$1". The balance scale below it is labeled "Scale $2$2". The left side of Scale $1$1 has one blue rectangular tile labeled $+x$+x. The right side of Scale $1$1 has three dark blue square tiles, each labeled $+1$+1. The left side of Scale $2$2 has two blue rectangular tiles, each labeled $+x$+x. The right side of Scale $2$2 has 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 dark blue square tile labeled as +1. A dark blue square tile labeled as +1.    
$5$5 dark blue square tiles, each labeled $+1$+1
A
A dark blue square tile labeled as +1. A dark blue square tile labeled as +1.    
$6$6 dark blue square tiles, each labeled $+1$+1
B
$1$1 blue rectangular tile labeled as $+x$+x
C
A dark blue square tile labeled as +1. A dark blue square tile labeled as +1.    
$4$4 dark blue square tiles, each labeled $+1$+1
D
Easy
< 1 min

Scale $1$1 is a balanced scale.

Medium
< 1 min

Scale $1$1 is a balanced scale.

Medium
< 1 min

Scale $1$1 is a balanced scale.

Medium
< 1 min
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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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