Powers of 10
24 x 100
2,400
342 x 57
19,494
1/2 + 3/4
1 1/4
4 x 1/5=
4/5
2.3 + 5.02
7.32
Kelly multiplied 640 x 102 got 6,400.
Is she correct?
No. It should be 64,000
1,560 divided by 24
65
1 5/8 - 2/3
23/24
5 divided by 1/8=
40
26.05- 3.7
22.35
A pack of gum is $2.35 how much would 100 packs of gum be?
$235
A theater has 3,234 seats. There are 21 rows. How many seats are in each row?
154 seats
At an aquarium, 1/4 of the aquarium is used for sharks, 1/8 is used for the octopus and squid, and 2/5 is used for fish. Is this part used for all 3 of these sections more or less than half of the aquarium?
More because it is 29/40 and that is greater than half.
5 friends are sharing 3 pizzas. What fraction of pizza will each friend get?
3/5 of the pizza
A road trip Kevin wants to take is 153.88 miles. He stops after 86.3 miles for a break. How many more miles does he have to drive?
67.58 more miles
1,6523.4 divided by 103
16.5234
A box holds 12 muffins. John bought 18 boxes of muffins for a party. There were 16 muffins left over after the party. How many muffins were eaten?
200 muffins
At a farm, 1/2 of the area is covered by pumpkins and 3/8 is covered by flowers. The rest is covered by peppers. What fraction of the farm has peppers?
1/8 is peppers
Katie bought 7 packs of paper. Each pack weighs 1/6 of a pound. How much do all the packs weigh together?
1 1/6 pounds
Jenna runs 2.3 miles on Monday, 4.51 miles on Tuesday, and 3.02 miles on Wednesday.
She then runs 10 miles on Saturday.
Did she run more on Monday, Tuesday, Wednesday combined or on Saturday? How do you know?
Saturday because M-W= 9.83 which is less than 10.
The value of the first digit 3 in the number 3,032 is ____ times the value of the second 3.
100 times
Michelle baked 264 cookies. She packed them into boxes so that 24 were in each box. How many boxes did she make?
11 boxes
Jenna has 5 3/4 cans of paint. She uses 1 7/8 cans to paint a room. How much paint does she have left?
3 7/8 cans of paint left
A jug has 1/4 liter of water. If Joseph pours the water evenly into 5 glasses, how much water will be in each glass?
1/20 liter in each glass
ROUNDING:
Write any number that, when rounded to the nearest hundredth would be 5.43
5.431, 5.432, 5.433, 5.434
5.425, 5.426, 5.427, 5.428, 5.429