Exploring Fraction Addition and Subtraction Techniques

What is the main strategy discussed for solving problems in this lesson?

• Drawing diagrams

• Guess and check

• Working backwards

• Using algebraic expressions

Tags

CCSS.8.EE.C.7B

After cutting two lengths from the board, how much remains?

• 2 and 1/2 feet

• 5 feet

• 3 and 1/3 feet

• 4 and 2/3 feet

Tags

CCSS.7.NS.A.3

What fraction operation is primarily used in the board cutting problem?

• Multiplication

• Division

• Addition

• Subtraction

Tags

CCSS.3.NF.A.1

CCSS.3.NF.A.2B

What is the combined weight of the apples and bananas?

• 3 and 13/16 pounds

• 4 pounds

• 3 and 3/4 pounds

• 3 and 1/2 pounds

Tags

CCSS.5.MD.B.2

What is the correct way to simplify 1/2 in terms of sixteenths?

• 10/16

• 8/16

• 7/16

• 9/16

How is the strategy of working backwards applied in the grapefruit weight calculation?

• By dividing the total weight by the number of items

• By multiplying the weights

• By subtracting weights from each other

• By adding weights and then subtracting from total

Tags

CCSS.3.OA.D.8

How tall is the attic?

• 7 feet

• 7 and 1/3 feet

• 8 feet

• 6 and 1/2 feet

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

What is the total height of the first and second floors combined?

• 17 feet

• 18 feet

• 16 and 1/2 feet

• 17 and 2/6 feet

Tags

CCSS.5.NF.A.1

CCSS.5.NF.A.2

How much tape is left on the roll after usage?

• 31 and 1/2 feet

• 33 feet

• 32 and 1/3 feet

• 30 feet

Tags

CCSS.7.EE.B.3

What is the improper fraction representation of 10/6?

• 1 and 4/6

• 1 and 5/6

• 1 and 2/6

• 2