Word Problems (Fractions and Decimals) Review

Unit 5

6th Grade Math

Rules for review• Use a white board (or piece of paper ) to

work out the problems and display your answer

• Show work when required

• Circle your answer

• Each slide will have one question followed by the answer

• Let’s begin!!

Sue talked on her cell phone for 3 hours on Monday. She talked for 4 hours on Tuesday.

How many total hours did Sue use her phone?

12

23

Sue talked on her cell phone for 3 hours on Monday. She talked for 4 hours on Tuesday. How many total hours did Sue use her phone?

3 412

23

+

3 + 4 = 71 22 3

+22

33

xx

3 4 7 16 6 6 6+ = 1=

8 16

3 412

23

+

7 142 3

33

22

x x

+21 28 6 6

+

49 66 49

48 1

8

8 16

Two ways to solve!!

Sue used her phone for

12

23

Theo walked 1 mile on Tuesday and 3 mile on Saturday.

How many more miles did he walk Saturday than Tuesday?

23

34

Theo walked 1 mile on Tuesday and 3 mile on Saturday. How many more miles did he walk Saturday than Tuesday?

23

34

3 123

34

-

11 7 3 4

44

33

x x

-44 2112 12

-

2312

12 23 12 11

1

1 1112

3 123

34

-

3 - 1 = 22 33 4

-33

44

xx

8 9 112 12 12- = -

OR YOU NEED TO BORROW!!

1 1112

(Yes, this is a negative number!!)

Difference between the two walks

Two ways to solve!!

Billy and Bob ran a race. Billy is 10 years old and ran 3 ½ miles. Bob is 16 years old and training for a marathon and ran 2 ¼miles times as far as Billy.

How much farther did Bob run?

Billy and Bob ran a race. Billy is 10 years old and ran 3 ½ miles. Bob is 16 years old and training for a marathon and ran 2 ¼ miles times as far as Billy. How much far did Bob run?

3 21

314

x

10 9 3 4

152

x 3

1 25

2 15 14 1

7

7 12

10 9 3 4

x

9012

12 90 84 6

77

612

=

Still need to simplify

If you do N

OT

simplify firs

t

Each student in the class needs a piece of yarn inches long. The teacher has some yarn that is 3 feet long (1 ft = 12 inches).

23

Have many pieces of string can be cut from 3 ½ feet?

12

Each student in the class needs a piece of yarn inches long. The teachers has some yarn that is 3 feet long (1 ft = 12 inches). Have many pieces of string can be cut from 3 feet?

23

42 23

42 3 1 2

631

x 1

21

12

12

63 pieces of string that are can be cut from 3 ½ feet

3 ½ feet = 42 inches

23

42 3 126 1 2 2

x

FLIP

!!

=

2 126 12 6 6

63

If you do NOT simplify first

I go the store and buy 3 items that cost $1.67 + $3.50 + $15

How much do I have to pay for the 3 items?

I go the store and buy 3 items that cost $1.67 + $3.50 + $15

I have to pay $20.17for the 3 items?

$ 1.67 $ 3.50 $ 15. $ 20.17

I go the store and the 3 items I purchased cost me $20.17

I give the cashier $25.00. How much change will I receive?

I go the store and the 3 items I purchased cost me $20.17. I give the cashier $25.00. How much change will I receive?

I will receive $4.83 in change

$25.00- $20.17 $ 4.83

You go to the store to buy some candy. The candy normally costs $4.99 a lb. However, the store is having a sale and if you buy more than one lb, the first pound is $4.99 and the rest is $2.99 a lb. When the cashier weights your bag, it weights 4.5 lbs.

What is the cost of your candy?

You go to the store to buy some candy. The candy normally costs $4.99 a lb. However, the store is having a sale and if you buy more than one lb, the first pound is $4.99 and the rest is $2.99 a lb. When the cashier weights your bag, it weights 4.5 lbs.

The cost of 4.5 lbsof candy is $15.46.

1 lb = $ 4.993.5 lbs x $2.99 = $10.474.5 lbs $15.46

You go to Billy Bob’s Fried Chicken and you can get 12 pieces of chicken for $17.99 and each additional piece of chicken is $1.25.

What is the cost 18 pieces of chicken?

You go to Billy Bob’s Fried Chicken and you can get 12 pieces of chicken for $17.99 and each additional piece of chicken is $1.25. What is the cost 18 pieces of chicken.

12 Pieces = $17.99 6 Pieces x $1.25 = $7.5018 $25.49

The cost of 18 pieces of chicken is $25.49

In the previous question we learned that 18 pieces of chicken cost us $25.49.

What was the actual cost of each piece of chicken.

In the previous question we learned that 18 pieces of chicken cost us $25.49.

The actual cost for each piece of chicken is $1.36

18 25.491.36