Exploring Operations with Rational Numbers

What is the learning target for today's lesson?

• I can solve problems involving rational number operations.

• I can solve problems involving integers.

• I can solve problems involving irrational numbers.

• I can solve problems involving whole numbers.

Tags

CCSS.7.NS.A.2C

What is the decimal equivalent of 1/4?

• 0.5

• 0.75

• 0.25

• 0.125

How do you convert a fraction to a decimal if you don't know the equivalent?

• Divide the numerator by the denominator.

• Subtract the denominator from the numerator.

• Add the numerator and the denominator.

• Multiply the numerator by the denominator.

Tags

CCSS.7.NS.A.2D

CCSS.8.NS.A.1

What is the decimal equivalent of 5/4?

• 1.5

• 0.5

• 0.75

• 1.25

What is the decimal equivalent of 1/8?

• 0.25

• 0.125

• 0.5

• 0.75

What is the result of multiplying -5.5 by 1.75?

• 8.625

• -9.625

• -8.625

• 9.625

Tags

CCSS.7.NS.A.2A

If Sarah practices for 1.5 hours on Monday, 1.75 hours on Tuesday, and 2 hours on Wednesday, how many hours does she practice in total over two weeks?

• 10.5 hours

• 7.5 hours

• 12 hours

• 5.25 hours

Tags

CCSS.7.NS.A.3

David needs 10.5 yards of fabric. He has 2.5 yards and 4.25 yards. How many more yards does he need?

• 4 yards

• 3.75 yards

• 2.75 yards

• 3.25 yards

Tags

CCSS.6.NS.B.3

Doug plans to run a total of 13 miles in a week. If he runs 1.5 miles on Monday, 2.25 miles on Tuesday, and 3 miles on both Wednesday and Thursday, how many miles does he need to run on Friday?

• 3.75 miles

• 2.75 miles

• 2.25 miles

• 3.25 miles

Tags

CCSS.6.NS.B.3

How do you convert 3/4 to a decimal?

• Add 3 and 4 to get 7

• Subtract 4 from 3 to get -1

• Multiply 3 by 4 to get 12

• Divide 3 by 4 to get 0.75