Decimals & Fractions
What is 0.1 in fraction form?
1/10 or 10/100
What angle is shown when the time is 4:00 PM?
It is an obtuse angle
Put these fractions in order
4/6 4/4 4/12
___ < ___ < ___
4/12 < 4/6 < 4/4
John began watching a football game at 7:15 PM. The game lasted 3 hours and 45 minutes. What time was the game over?
The game was over at 11 PM
John bought 27.5 m of cloth. How many cm of cloth did he buy?
*hint: 1 meter = 1,000 centimeters
2750 cm
Compare these numbers using <, >, =
9.90 ___ 9.9
9.90 = 9.9
List the angles of a trapezoid
*hint there are only acute and obtuse angles in a trapezoid*
A trapezoid has 2 acute angles and 2 obtuse angles.
Solve
8 2/8 - ___ = 5 3/8
2 7/8
Rachel earns $9.75 per hour babysitting. She babysits for 5 hours. She spent $16.25 of her earnings on a new lip gloss she really wanted. How much money does Rachel have left?
Find out how much she earned
$9.75 x 5 = $48.75
Subtracted how much she spent
$48.75 - $16.25 = $32.50
Rachel has $32.50 left
15.5 kilograms = ____ grams
*hint: 1 kilogram = 1,000 grams
a) 15000 grams
b) 1550 grams
c) 15,500 grams
C.) 15,500
15.5 x 1,000 = 15,500
Write the equivalent to the decimal
0.89
89/100
Your school is collecting boxes of cereal to donate to the local food pantry. You and your friends are helping by packing 945 boxes of cereal into boxes of two different sizes. The large boxes can fit 14 cereal boxes, and the small boxes can fit 6 cereal boxes.
How many boxes of each size could you pack if you fill each box and have no cans left over?
large boxes = 945 / 14 = 67 R 5
I need 67 large boxes
Small boxes = 945 / 6 = 157 R 5
I need 157 small boxes
Put these fractions in order
3/4 1/4 2/4
___ > ____ > ___
3/4 > 2/4 > 1/4
Lisa finished jogging at 4:50 PM. She jogged for 1 hour and 15 minutes. What time did Lisa start jogging?
Lisa started jogging at 3:35 PM.
2 days = ____ seconds
*hint: 1 day = 24 hours; 1 hour = 60 mins; 1 min = 60 sec
a) 2,880 seconds
b) 172,880 seconds
c) 17,288 seconds
B.) 172,880 seconds
2 days = 2 x 24 hours = 48 hours
48 hours x 60 mins = 2,880 mins
2,880 mins x 60 seconds = 172,800 seconds
Compare these numbers using <, =, >
3/4 ___ 0.54
3/4 = 0.75
0.75 > 0.54
You are helping to make a plan for five new roads in your town as follows:
- Maple street and Harrison Avenue are neither parallel nor perpendicular to each other
- Smith Road crosses Maple street but never crosses Harrison Avenue
- Birch Street crosses all the other roads but only forms a right angle with Smith and Harrison Av
- Orange Place crosses 3 of the other roads
- Harrison Av forms a right angle
Draw a map of these roads!
How me the boards!
Solve
7 1/9 - 2 8/9
4 2/9
Carolyn has $1,000. She buys a HP laptop for $700. Then she spends half the money she has left on a printer. She spends half the money she has left after buying the printer on a laptop bag. How much did she send on the laptop bag?
$1,000 - $700 = $300
How much was the printer?
$300 / 2 = $150
How much does she have left now?
$300 - $150 = $150
How much did she pay for the laptop bag?
$150 / 2 = $75
Carolyn spent 475 on a laptop case
15.5 kilograms = ____ grams
*hint: 1 kilogram = 1,000 grams
a) 15000
b) 1550
c) 15500
8
Solve
6 1/8 + 5 6/8
6 1/8 + 5 6/8
1 /8 + 6 /8 = 7/8
6 + 5 = 11
11 7/8
You decide to make a play area for your pet and plant a garden in your backyard. You are allowed to use a 30 foot-by-30 foot square space for the play area and garden. You do not need to use the entire area. You must use the following materials:
- Between 85 feet and 95 feet of fencing for your pet's play area
- Enough dirt for a garden that measures at least 75 square feet
Draw your design on your board. ALSO, tell how much space there is for your pet's play area and whether you think this is enough space.
Show me your boards!
Mrs. Cooper needs to use 6 2/5 bolts of cotton fabric to make a bulk order of 220 branded t-shirts. There were 3 4/5 bolts of cotton fabric left in the tailoring shop. How many more bolts of cotton fabric does she need to complete the bulk order?
6 2/5 - 3 4/5 = 2 3/5
Mrs. Cooper needs 2 3/5 more bolts of cotton fabric.
One yard of ribbon costs $12.50. Ashley buys 1 1/2 of ribbon. She gives the clerk 4 $10 bills. How much change does Naveen get?
1 whole = $12.50
1/2 whole = $12.50/2 = $6.25
1 1/2 yards = $12.50 + $6.25 = $18.75
How much does she have?
4 x $10 = $40
How much change does she get?
$40 - $18.75 = $21.25
850,000 centimeters = ____ kilometer
*hint: 1 kilometer = 1,000 meters
1 meter = 100 centimeters
a) 85,000 km
b) 8.5 km
c) 850 km
B
850,000 cm / 100 cm
85,000 m / 1,000 m
8.5 km