Writing Equations

What is the difference between an expression and equation?

• Expressions have an equal sign and equations do not have an equal sign
• Expressions do not have an equal sign and equations do have an equal sign
• There is not a difference
• Expressions do not have variables and equations have variables

Tags

CCSS.6.EE.A.2B

What do the following terms mean:
is
equal
the same as 

• +
• -
• =
• x

Tags

CCSS.6.EE.A.2A

The sum of a number k and 5 is 11.

• 5k = 11

• 5 - k =11

• 5/k = 11

• 5 + k = 11

Tags

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

7 times a number a is 42.

• 7a = 42

• 7 + a = 42

• 7/a = 42

• 7 - a = 42

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

5 more than a number m is the same as 8

• m - 5 = 8

• m + 5 = 8

• 5m = 8

• m/5 = 8

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

9 times a number b is 36

• 9 + b =36

• 36b=9

• 9b=36

• 36/b=9

Tags

CCSS.HSA.CED.A.3

17 less than a number m is the same as 8

• 17-m=8

• m-17=8

• 17-8=m

• 8-m=17

Tags

CCSS.6.EE.A.2

CCSS.6.EE.B.5

CCSS.6.EE.B.6

CCSS.6.EE.B.7

Your friend writes the word sentence as an equation. Is your friend correct?

• Yes

• No

Tags

CCSS.7.EE.A.2

CCSS.HSA.SSE.A.2

Which choice models this situation?
Robyn had some video games, then bought 4 more.  Now she has a total of 10 games.

• v - 4 = 10
• v + 4 = 10
• 10/4 = v
• 4v = 10

Tags

CCSS.HSA.CED.A.3

Which choice models this situation?

Jack needed new pencils for school today. He took 6 pencils from a new box of pencils. If there are 18 pencils left in the box, how many pencils were in the brand new box?

• p - 6 = 18

• p + 6 = 18

• 6p = 18

• p/6 = 18

Tags

CCSS.HSA.CED.A.3