Interpreting Expressions

a = the number of apples I bought

b = the number of bananas I bought

x = the cost of an apple in dollars

y = the cost of banana in dollars

What does the expression y=2x mean?

• Bananas cost twice as much as apples.

• Apples cost half as much as bananas.

• I bought 2 bananas.

• Bananas cost half as much as apples.

Tags

CCSS.HSF.LE.B.5

a = the number of apples I bought

b = the number of bananas I bought

x = the cost of an apple in dollars

y = the cost of banana in dollars

What does the expression x=(1/2)y

• Bananas cost twice as much as apples.

• Apples cost half as much as bananas.

• I bought 2 bananas.

• Bananas cost half as much as apples.

Tags

CCSS.HSF.LE.B.5

a = the number of apples I bought

b = the number of bananas I bought

x = the cost of an apple in dollars

y = the cost of banana in dollars

What does the expression y=(1/2)x?

• Bananas cost twice as much as apples.

• Apples cost half as much as bananas.

• I bought 2 bananas.

• Bananas cost half as much as apples.

Tags

CCSS.6.EE.C.9

a = the number of apples I bought

b = the number of bananas I bought

x = the cost of an apple in dollars

y = the cost of banana in dollars

What does the expression ax+by=5?

• The apples I bought cost $5.

• Altogether I bought 5 apples and bananas.

• I paid $5 for all the apples and bananas I bought.

• There are 5 times as many apples as bananas.

Tags

CCSS.HSA-SSE.A.1A

a = the number of apples I bought

b = the number of bananas I bought

x = the cost of an apple in dollars

y = the cost of banana in dollars

What does the expression b+a=5?

• The apples I bought cost $5.

• Altogether I bought 5 apples and bananas.

• I paid $5 for all the apples and bananas I bought.

• There are 5 times as many apples as bananas.

Tags

CCSS.HSA-SSE.A.1A