国际学校四年级下册数学练习题
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1、Jenny's Floral Shop needs to post 91 cheques to the bank. If they can put 3 cheques in each envelope, about how many envelopes will the shop need to use? Choose the better estimate.
A、34
B、30
2、A group of 43 students gets to go on a helicopter ride. If each helicopter holds 5 students, about how many helicopters should the group plan to use? Choose the better estimate.
A、90
B、9
3、The town picnic committee has $804 to buy watermelons. If each watermelon costs $8, about how many watermelons can the committee buy? Choose the better estimate.
A、100
B、1000
4、A family needs to buy 46 rolls of paper towels. If each package has 3 rolls, about how many packages should the family buy? Choose the better estimate.
A、12
B、15
5、There are 903 students going on a field trip to the zoo. If the students need to be in groups of 7 for a tour of the penguin exhibit, about how many groups should they form? Choose the better estimate.
A、130
B、100
6、There are 53 students that want to play in a volleyball tournament. If each team needs 5 players, how many teams can the students form?
7、A builder needs 61 nails to finish a project. If the nails come in packages of 6, how many packages should the builder purchase?
8、Zane's Doughnut Shop needs to pack 182 doughnuts in boxes. If each box holds 3 doughnuts, how many boxes does the shop need?
9、A new science website has $841 to buy online ads. If each ad costs $8, how many ads can the website purchase?
10、To build a new store, Eli's Construction needs 141 ceiling tiles. If the ceiling tiles come in packages of 7, how many packages should the construction company buy?
11、The basketball team wants to raise $161 by selling biscuits. If each box of biscuits costs $4, how many boxes will the team have to sell to meet its goal?
12、Find the rule and complete the table. In Out
3 1 6 2 3 12 15
5
13、Complete the table.
Total Number of Equal Groups
Amount in Each Group
12 2 16 8 35 5 54
18
Total Number of Equal Groups
Amount in Each Group
12 2 24 8 45 5 66
33
Total Number of Equal Groups
Amount in Each Group
42 2 60 4 90 45 96
3