Mental Math

Which of the following will always result in an answer greater than 1?

• multiplying a whole number by a negative fraction that is less than -1

• multiplying two positive fractions that are both less than 1

• multiplying two negative fractions that are both greater than -1

• multiplying two negative fractions that are both less than -1

−8 − −6 =

• -2

• 0

• 3

• 26

Select the multiplication sentence for the following array:

• 3 x 3 = 9

• 5 x 9 = 45

• 2 x 3 = 6

• 1 x 6 = 6

Raleigh has 24 cookies.  4 kids share them equally.  How many cookies does each kid get?

• 28
• 24
• 20
• 6

Tags

CCSS.1.G.A.3

CCSS.1.OA.C.6

1000 x 1000

• ten thousand: 10,000
• ten million: 10,000,000
• one hundred thousand 100,000
• one million 1,000,000

Tags

CCSS.5.NBT.A.1

CCSS.5.NBT.A.2

CCSS.5.NBT.B.5

Divide 268.5 by 10 by moving the decimal right?

• 26.85
• 2.685
• 2685
• 26850

Tags

CCSS.5.NBT.A.1

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

Divide 268.5 by 100 by moving the demical left?

• 26.85
• 2.685
• 2685
• 26850

Tags

CCSS.5.NBT.A.1

CCSS.5.NBT.A.2

CCSS.5.NBT.B.7

billy has saved 2745 pennies. How much money is that?

• $2745
• $274.50
• $27.45
• $2.75

Tags

CCSS.5.MD.A.1

CCSS.5.NBT.B.7

Simplify the Expression 
4² + 40 ÷ 8

• 7
• 21
• 6
• 81

(-9) - (-9)

• 18
  +18
• 0
• -18
• -0