Math Minute 39

400,000 + 5,000 + 800 + 6

• 450,860

• 450,806

• 405,860

• 405,806

How many sides does each shape have?

• Pentagon - 6

  Octagon - 8

  Decagon - 10

• Pentagon - 5

  Octagon - 8

  Decagon - 10

• Pentagon - 6

  Octagon - 9

  Decagon - 11

• Pentagon - 4

  Octagon - 6

  Decagon - 8

Sales tax might be :

• 6%

• 60%

Which number is twice as much as 2,400?

• 4,800

• 1,200

• 4,400

• 480

What is the error in the problem 32 x 9 = 281

If 45% = 0.45, then 55% = ______.

• 55

• .55

• 5.5

• 550

Sally believes that the perimeter of this rectangle is 32. What mistake did she make?

Tags

CCSS.4.MD.A.3

(a)(c) / 2 =

• 24

• 20

• 15

Tags

CCSS.7.EE.B.3

b x c =

• 24

• 30

• 20

• 10

a+b=

• 11

• 9

• 10

• 20

Tags

CCSS.HSN.VM.C.8