7.EE.1 Assignment

Match the following

• -2(3j + 6k)

• 
• 3(-6j + 2k)

• 
• 2(3j - 6k)

• 

Answer explanation

https://loom.com/share/002c89d66a7d41ebbd1062823f343211

• A

• B

• C

• D

Answer explanation

https://www.loom.com/share/ae5d9d616e0544248577d1176e90b1f2

What is the difference between an equation and an expression?

• An equation has an equal sign and an expression does not.
• An expression has an equal sign and an equation does not.
• This must be a trick! They are the same thing!
• One has variables and the other does not.

 6(-4+3)+5v+10v

• 9v
• 21v
• 6+15v
• -6+15v

Write the expression for the perimeter of the rectangle

• 6x - 6
• 4x + 10
• 8x - 8
• 3x - 3

(10 + 2) ×10-3

• 145
• 27
• 117
• 53

90 - 5² × 3

• 15
• 240
• 195

What would be my first step to simplify?
3 + 4 x 6 - 4 

• addition
• multiplication
• subtraction
• exponents

Find and explain the error.

5 - 3 + 2

5 - 5

0

• There is no error.

• Addition was done first and you should have subtracted first

• They added wrong numbers

• Multiplied worng

7[12 − (6 − 2) ÷ 4]

• 7
• 77
• 14
• 0