Numbers
Put these numbers in order from least to
greatest. 97, 100, 92, 51, 3, 16, 29
3, 16, 29, 51, 92, 97, 100
Martha buys a package of chocolate cookies costing $1.77. She gives the cashier $2.00. How much does Martha receive in change from the cashier?
23 cents or $.23 or $0.23
A chef made food for 77 adults and 94 children. Estimate the total number of guests served. Estimate to the nearest ten.
80 + 90 = 170
approximately 170 guests
Which is a better estimate for the weight of a can of soda? 13 ounces or 13 pounds
13 ounces
Emma is throwing a party. She has 20 stickers and wants to put the same amount of stickers in five party bags. How many stickers should Emma put in each party bag?
20 / 5 = 4 stickers in each bag
What number has 1 ten and 6 more ones than tens?
17
Put these amounts of money in order from greatest to
least. $5.74, $6.67, $5.80, $5.60
$5.60, $5.74, $5.80, $6.67
Greg practiced a song 99 times. If he practiced the song 25 times on his own, approximately how many times did he practice the song in front of others? Estimate to the nearest ten.
100 - 30 = 70
approximately 70 times in front of others
How many quarts are in one gallon?
4 quarts
Luke has 18 toy cars, but he sold 6 cars at a yard sale. He wants to divide the remaining cars into 3 groups. How many cars will be in each group?
(18 - 6) / 3 = 4 cars in each group
28 + 763 + 9 =
800
$17.06 + $6.35 = y
y = $23.41
Estimate the product. Round the first factor to the nearest ten, and then multiply.
88 * 6 =
90 * 6 = 540
Kevin went to the farm and picked 12 kilograms of peaches. He wants to use all of the peaches in his pies. He uses 2 kilograms in each pie. How many pies can he make?
12/2 = 6 pies
Konrad collected 16 stones. He wants to sort them into three groups. How many stones can he place in each group? Does he have any left over?
16 / 3 = 5 R 1
5 stones in each group
1 stone left over
901 - y = 23
878
$100.24 - $67.67 = y
y = $32.57
Cassie will perform her juggling act at 3 parties with 9 to 11 kids at each party. She will also perform at a larger event with 41 kids. She estimates that there will be approximately 50 kids in all. Is that a reasonable estimate? Yes or No? Use estimation to show your thinking.
No
3 * 10 = 30
30 + 40 = 70 approximately 70 kids
Which is the better estimate for the length of a raisin?
10 millimeters or 10 centimeters
10 millimeters
Kaylie gave her grey kitten six feather toys. She gave her white kitten twice as many toys as her grey kitten. She gave her black kitten three times as many toys as her white kitten. How many toys did Kaylie’s black kitten get? Show your thinking.
grey = 6 toys
white = 6 * 2 = 12 toys
black = 12 * 3 = 36 toys for her black kitten
4 * 9 = 4 * 5 + 4 * y
y = ?
y = 4
Alice walked to the pastry shop. She bought a donut for $2.08 and a danish for $1.35. Alice gave the cashier $5.00. How much change did the cashier give Alice?
$5.00 - ($2.08 + $1.35) = $1.57
Grace bought 9 bags of marbles with 9 marbles in each bag. She poured out the marbles and let her brother borrow 22 marbles. Grace estimates that she has approximately 40 marbles left. Is that a reasonable estimate? Yes or No Show your thinking.
No
10 * 10 = 100
100 - 20 = 80
approximately 80 marbles left
Which is more, 1 kilometer or 1,045 meters?
1,045 meters is more than 1 kilometer
1 kilometer = 1,000 meters
A muffin company owns 7 bakeries. Each bakery makes 110 muffins per day. How many muffins in total do the bakeries make each day?
110 * 7 = 770 total muffins each day