EOQ Review

EOQ Review

What operation?

Add, subtract, multiply or divide?

Ms. Denton had 2/3 cup of berries. She spilled 1/3 cup on the floor.

Multiple Choice

Ms. Denton had 2/3 cup of berries. She spilled 1/3 cup on the floor. What fraction shows how much berry mixture is left in the bowl?

• 2/3 - 1/3 = 1/3

• 2/3 + 1/3 = 3/3

• 2/3 x 1/3 = 2/9

• 2/3 ÷ 1/3 = 2/1

Ms. Denton had 2/3 cup of berries. She spilled 1/3 cup on the floor. How many were left in the cup?

Add or subtract--what do you do? Action up top and keep one shoe. Means keep denominator and do the add/subtract with numerators.

Do the problem below

• 1/4 + 2/3

• Remember--add or subtract the shoes must match!

• How can we find a common denominator?

Multiple Choice

1/4 + 2/3

• 11/12

• 3/7

• 2/12

• 3/8

1/4 + 2/3

Do the butterfly to make the denominators equal, then add

3/4 - 1/3

• Do the denominators match? Add or subtract the shoes must match.

Multiple Choice

3/4-1/3

• 5/12

• 2/1

• 2/4

• 10/12

3/4-1/3

Use butterfly to make the denominators equal and then subtract.

Bethany has 1/5 cup strawberries. Lydia has 2/3 cup strawberries. Lydia says together they have 3/8 cup..is she right?

Multiple Choice

Bethany has 1/5 cup strawberries. Lydia has 2/3 cup strawberries. Lydia says together they have 3/8 cup..is she right?

• Yes 1/5+2/3 is 3/8

• No, you have to have a common denominator. So it would be 3/15+10/15=13/15

• No we only add fractions with the same numerator

1/5 + 2/3

You must find a common denominator before you can add

1/5 ÷ 1/4

Divide up that KFC!!

Multiple Choice

1/5 ÷ 1/4

• 4/5

• 5/5

• 2/9

25 x 121

How do you multiply?

Multiple Choice

25 x 121

• 146

• 3025

• 4.84

• 3125

5/6 x 3/4

Multiple Choice

5/6 x 3/4

• 15/24

• 8/10

• 15/6

Ms. Hernandez has 35 shelves. Each shelf had 15 books. How many books were there?

Is this multiply or divide?

Multiple Choice

Ms. Hernandez has 35 shelves. Each shelf had 15 books. How many books were there?

• 15 x 35 = 525

• 15 x 35 = 5250

• 35 ÷ 15 = 2R5

Billy sold one CD for $17. If he sold 15 more CD's, how much more money would he make?

Is this multiply or divide?

Multiple Choice

Billy sold one CD for $17. If he sold 15 more CD's, how much more money would he make?

• 17 x 15 = 2550

• 17 x 15 = 255

• 17 ÷ 15 = 1 R 2

If Josie earns $15 every 7 days, how much money will she have in 21 days?

Is this multiplication or division?

Multiple Choice

If Josie earns $15 every 7 days, how much money will she have in 21 days?

• 15 x 7 = 105

• 15 x 21 = 315

• 15 x 3 = 45

4.2 x 23 =

Remember our steps: 1) Multiply like normal

2) Count how many numbers after the decimal (1)

3) Put the decimal in the answer with the same number behind it (1)

Multiple Choice

4.2 x 23 =

• 96.6

• 966

• 9.66

• .0966

1426 ÷ 41

Multiple Choice

1426 ÷ 41

• 34 R 32

• 35 R1

• 34 R 0

• 35 R22

243 clowns are going to get a snack. If 11 clowns can fit in each car, how many total cars will we need?

Is this multiply or divide?

Multiple Choice

243 clowns are going to get a snack. If 11 clowns can fit in each car, how many total cars will we need?

• 22 cars

• 23 cars

• 27 cars

• 17 cars

Girl scouts are selling cookies!! If there are 17 girls in the troop and they sold 136 total boxes, how many boxes did each girl sell?

Is this multiply or divide?

Multiple Choice

Girl scouts are selling cookies!! If there are 17 girls in the troop and they sold 136 total boxes, how many boxes did each girl sell?

• 17

• 136

• 8

• 10