Topic 2 Positive Rational Numbers

Which number is a rational number ?

• 1/4

• π

• √3

• 4.632789...

What is a rational number ?

• A rational number  is a number that cannot be written as a fraction.
• A rational number is a number that can be written as a fraction.
• A rational number cannot be a repeating  decimal.

Tags

CCSS.5.NBT.A.2

What is the product?
⁴/₅ × ¹/₅

• ⁵/₁₀
• ⁴/₁₀
• ⁴/₂₅
• ⁵/₂₅

Tags

CCSS.5.NF.B.6

What is 1.2 as a fraction?

• 3/25
• 1/2
• 1  2/5
• 1  1/5

Tags

CCSS.5.NBT.A.3

CCSS.5.NF.B.3

Fill in the blank with <, >, =
3/9 _________ 0.03

• >
• <
• =

Tags

CCSS.6.NS.C.7A

CCSS.6.NS.C.7B

Name the reciprocal for 3/27

• 27/3
• 9
• 1/9
• 3/27 does not have a reciprocal

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.7

1 ÷ 1/5 =

• 10
• 1/10
• 5
• 1/5

Tags

CCSS.5.NF.B.7B

CCSS.5.NF.B.7C

Change 5  3/4 into an improper fraction

• 23/4
• 4/23
• 20/4
• 5 4/3

Tags

CCSS.4.NF.A.1

What is another name of flip?

• Flip
• Reciprocal

Tags

CCSS.6.NS.A.1

Valerie bought a 9 ft piece of ribbon from which she wants to cut into 2/3 ft pieces. How many 2/3 ft pieces can Valerie cut?

• 13
• 6
• 9
• This is not possible.

Tags

CCSS.5.NF.B.3

CCSS.5.NF.B.4

CCSS.5.NF.B.7