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15
×
The 2 pans of the scales are balanced. Find the value for the unknown mass A.
11 g
3 g
5 g
47 g
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eraser
Reset score!
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×
seesaw
Swap points!
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×
rocket
Go to first place!
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banana
Go to last place!
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eraser
Reset score!
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seesaw
Swap points!
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×
shark
Other team loses 10 points!
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×
baam
Lose 15 points!
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15
×
Solve the equation.
36
-11
-12
1
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15
×
Tiles are arranged on each side of the line to represent an equation. What is the equation?
<i>x + 2</i> = 1, <i>x = -1</i>
<i>2x</i> = 1, <i>x = 1</i>
<i>x - 2</i> = -1, <i>x = 1</i>
<i>2x</i> = -1, <i>x = -1</i>
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15
×
Jona has pencils. Kris has three times as many. Together they have 24 pencils. Which is true?
Jona has 3 pencils.
Kris has 18 pencils
Krist has 12 pencils
Jona has 18 pencils.
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15
×
Solve the equation: -9x + 1= -80
10
-9
-11
9
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15
×
Solve the equation.
-25
-20
-4
20
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15
×
Identify the tiles that model 2x + 4.
c
a
d
b
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15
×
Solve the equation: 9x - 7 = -7
-2
0
1.6
-1.6
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15
×
Solve this equation: -7 = x -2
9
-9
-5
5
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15
×
What is an equation?
Two expressions that are equal.
A numerical sentence
An expression
Variables with operations
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15
×
Tim has $90 and spends $12.00 each week. Which equation calculates his spending over 3 weeks?
A = (3 Ã 90) / 12
A = 90 / (3 Ã 12)
A = 90 - 3 + 12
A = 90 - 3 Ã 12
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baam
Lose 10 points!
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fairy
Take points!
5
10
15
20
25
×
shark
Other team loses 25 points!
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baam
Lose 20 points!
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15
×
What is the first step in solving this equation.
Adding -1
Subtracting 5
Adding 1
Multiplying by 6
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15
×
Find the value of x that makes this equation true. 2x + 6 = 14
10
4
7
20
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