MATH COMPETITION - 2nd Round

What is the sum of the following fractions:

• 89/63

• 9/7

• 3/7

• 11/16

Tags

CCSS.7.NS.A.1C

4/7 of a number is 84. Find the number.

• 48

• 147

• 63

• 121

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Maddy has already read three-fifth of 75 pages of her book. How many more pages does she need to complete the book?

• 30 pages

• 45 pages

• 35 pages

• 40 pages

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C

Find the product.

• 6/11

• 9/28

• 12/21

• 9/21

Tags

CCSS.5.NF.B.6

Which one shows the numbers in order from biggest to smallest?

• 3²,2³,6¹

• 6¹,2³,3²

• 2²,6¹,3²

• 3³,2¹,6²

Tags

CCSS.1.NBT.B.3

What is the result of the following operation?

(x⁸)(x^-5)

• x^-40

• x^-13

• x¹³

• x³

Tags

CCSS.HSA.APR.A.1

Simplify this expression:

(2a²b⁴z)(6a³b²z⁵)

• 8a⁵b⁶z⁶

• 12a⁶b⁸z⁵

• 12a⁵b⁶z⁶

• 8a⁶b⁸z⁵

Tags

CCSS.HSA.APR.A.1

Simplify this expression.

• 2¹⁴ z¹³

• 2²/z⁷

• 2¹⁴/ z⁷

• 2² z⁷

Tags

CCSS.HSA.APR.A.1

Simplify the following square root. Choose the correct answer:

√48

• 4√2

• 6√3

• 4√3

• 4√2

Simplify the following square root. Choose the correct answer.

• A

• B

• C

• D