Algebra Substitution

If a = 4 and b = 6, what is the value of 3a + 5b?

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• 46

Tags

CCSS.6.EE.A.2C

If x = 5, find the value of 7x-1.

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Tags

CCSS.6.EE.A.2C

If y = 4, find the value of 3y+5.

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• 12
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Tags

CCSS.6.EE.A.2C

If y = 7, find the value of 2(y+4).

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• 12

Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a

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Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
3ab

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• 15
• 36

Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
a + b   

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• 6

Tags

CCSS.6.EE.A.2C

Work out the value of the following expressions when a = 3, b = 4 and c = 5.
2a² + c²   

• 22
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• 68
• 43

Tags

CCSS.6.EE.A.2C

3x + 7y

What are the numbers in front of the letters called?

• Variables

• Coefficients

• Constants

• Expressions

Tags

CCSS.6.EE.A.2B

A letter in an expression or an equation that represents a number is called a ___________.

• inequality

• variable

• slope

• domain

Tags

CCSS.6.EE.A.2B