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Mental Math

Authored by Zeenath Syed

Mathematics

9th Grade

CCSS covered

Used 694+ times

Mental Math
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18 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

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

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

−8 − −6 =

-2

0

3

26

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Select the multiplication sentence for the following array:

3 x 3 = 9

5 x 9 = 45

2 x 3 = 6

1 x 6 = 6

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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.B.5

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Divide 268.5 by 10 by moving the decimal right?

26.85
2.685
2685
26850

Tags

CCSS.5.NBT.A.2

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Divide 268.5 by 100 by moving the demical left?

26.85
2.685
2685
26850

Tags

CCSS.5.NBT.A.2

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