Week 11~Monday

Write an equation to represent the situation; then solve.

Eddie ordered customized cups. He was charged a $30 design fee plus $8 per cup. His total order was $334. How many cups did Eddie order?

​
​ Equation: ​ (a)  

How many cups did Eddie order? ​ (b)   ​

• 30 + 8x = 334
• 30x + 8 = 334
• 8x - 30 = 334
• 30 - 8x = 334
• 38 cups
• 45 cups
• 32 cups
• 45.5 cups

Tags

CCSS.7.EE.B.4A

Write an equation to represent the situation; then solve.

Damian is monitoring the temperature of the swimming pool. It is currently 86.8° and cooling 0.5° per minute. After how many minutes will the swimming pool be 80.8°?

Equation: ​ ​ (a)  

Solution: ​ ​ (b)  

• 86.8 - 0.5x = 80.8
• 0.5x - 86.8 = 80.8
• 86.8 + 0.5x = 80.8
• 0.5x + 86.8 - 80.8
• 335 minutes
• -12 minutes
• -335 minutes
• 12 minutes

Tags

CCSS.7.EE.B.4A

Match the following.

Determine if the statements below correctly describe the equation,

20 + 12x = 240.

• yes

• Joanie earns $12 per hour, plus a $20 bonus for completing the training program. This week Joanie earned $240.

• no

• Isaiah is saving $12 per week from his allowance. After 20 weeks, Isaiah has $240.

• no

• Felix exercises by spending 12 minutes warming up and then running for 20 minutes. He has exercised a total of 240 minutes this month.

Tags

CCSS.HSA.CED.A.3

Jon’s teacher wants to buy giant cookies for the entire class. If cookies cost $2.40 each, which equation shows how many can be bought with $40?

• 2.40 = 40c

• 2.40c = 40

• 2.40(40) = c

Tags

CCSS.HSA.CED.A.3

Write the expression in standard form by collecting like terms. Which expression is equivalent? 

𝟒𝒚 − (𝟑 + 𝒚)

• 𝟒𝒚 + (𝟑 + 𝒚)

• 𝟒𝒚 − 𝟑 - (-𝒚)

• 3𝒚 − 𝟑

• 5𝒚 + 𝟑

Tags

CCSS.7.EE.A.1

 Write an expression equivalent to the following expression?

7 - 4(2x +9)

Tags

CCSS.6.EE.A.4