All fractions need to have a denominator or _____ or ____ before they can be made into a decimal.
10 or 100
100
A nickel has a mass of 3.95g. What is the approximate mass of 7 nickels?
Estimate!
7x4=28g
100
How is multiplying/dividing with hundredths different than multiplying/dividing with tenths?
There are always 2 numbers after the decimal place.
200
Draw a picture to show this pair of equivalent fractions:
1/4, 3/12
1 out of 4 pieces shaded. 3 out of 12 pieces shaded.
200
Which fraction is larger, 1/10 or 8/10?
8/10
200
Vijay has 1/4 of a dollar in his pocket. What coin is in his pocket?
a quarter
200
What is 24.1 x 9?
216.9
200
A snail travelled 0.94m each hour. How far did the snail travel in 6 hours?
5.64m
300
Are these fractions equivalent?
3 and 2/3 11/3
How do you know?
Yes.
Convert 11/3 into a mixed number to see that they are the same.
300
What fraction is larger 3/4 or 4/8 ?
3/4
300
Write two equivalent fractions for this decimal.
0.75
75/100
3/4
300
If a jogging trail is 0.9km long, and you ran around 5 times, how far would you have run?
4.5km
300
Kim multiplied 8.18 x 5. Her answer was 4.09. What did she do incorrectly?
She put the decimal in the wrong place. Her answer should have been 40.9
400
If you were baking a cake, which scoop would you use to measure 2 and 1/4 cups? Explain your choice
a) 1/2 cup
b) 1/4 cup
c) 1/3 cup
1/4
400
2/3, 1/6, 1/3, 5/6
2/3 = 4/6
1/3 = 2/6
1/6, 1/3, 2/3, 5/6
400
Place 7/10 and 4/5 on a number line. Which number comes first?
7/10
400
A box of 6 individual servings of oatmeal has a mass of 170.4g. What is the mass of 1 serving?
28.4g
400
A 6-pack of bottled water costs $3.54. What is the cost of one bottle?
$0.59
500
Kendra mowed her lawn for 2 and 1/2 hours. Mario mowed his lawn for 1/4hour then stopped. He did this 7 times. Who spent the most time mowing the lawn?
How do you know?
Mario mowed for 7/4 hours, which is less than 2 hours.
500
A quilt has 20 patches. One quarter of the patches are yellow, 3/5 are green, and the rest are red. What colour are the greatest number of patches?
yellow = 5/20
green = 12/20
red = 3/20
Green has the most patches
500
Write these 4 fractions as a decimal, and place them in order on a number line.
2/5, 9/10, 37/100, 1/20