algebra

 $x+x$  =

•  $2x$  

•  $x^2$  

Tags

CCSS.7.EE.A.1

 $4a+a+b$  =

• 5a+b

•  $4a^2+b$  

Tags

CCSS.7.EE.A.1

Evaluate 2r + 1      if   r = 3

• 6
• 5
• 7
• 8

Tags

CCSS.6.EE.A.2C

Evaluate 4y  if       y = 3

• 7
• 12

Tags

CCSS.6.EE.A.2C

Is this a correct answer?

• Yes, the student correctly added.
• No, you cannot add unlike denominators
• No, 5 + 7 is not 12
• No, 2 + 3 is not 5

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

• 5/14
• 3/7
• 5/7
• 5/14

Tags

CCSS.4.NF.B.3C

CCSS.4.NF.B.3D

• 3/40
• 4/40
• 3/5
• 5/24

Tags

CCSS.5.NF.B.6

• 1/5
• 12/72
• 7/17
• 1/6

Tags

CCSS.5.NF.B.6

Divide these fractions

• 3 / 4
• 12 / 16
• 6 / 32
• 5 / 32

Tags

CCSS.6.NS.A.1

8+5∙4+(7-3)

• 32
• 23
• 25
• 12

Tags

CCSS.7.NS.A.3