Operation with Rational Numbers

When adding or subtracting RATIONAL NUMBERS with LIKE DENOMINATOR denominator you should

• multiply the denominators

• add or subtract the numerators

• keep the denominator

• simplify if need

Tags

CCSS.7.NS.A.1C

What would be the reciprocal of 14/1

• 14

• 14:1

• 1/14

• 1:14

A fraction represents which operation

• addition

• subtraction

• multiplication

• division

Tags

CCSS.5.NF.B.3

TRUE or FALSE

A positive number times a negative number will give you a negative answer.

• True

• False

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

TRUE or FALSE

A negative number times a negative number will give you a positive number.

• True

• False

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

TRUE or FALSE:

A negative number divided by a positive number will give you a negative answer.

• True

• False

Tags

CCSS.7.NS.A.2A

CCSS.7.NS.A.2B

0.3 x 0.5

• 0.15
• 1.5
• 15
• 150

Tags

CCSS.6.NS.B.3

45.1 x 7

• 31.57
• 315.7
• 3,157
• 3.157

Tags

CCSS.6.NS.B.3

Find the product. 3/7 X 3/4 =

• 9/24
• 9/28
• 6/32
• 1/28

Tags

CCSS.5.NF.B.6

Find the product. 3/5 X 10 =

• 3/50
• 30/5
• 6
• 1  1/5

Tags

CCSS.4.NF.B.4B

CCSS.4.NF.B.4C