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Estimation
Multiplication
Division
Operations with Decimals
Word Problems
100
Estimate the product. 421 x 37 =
400 x 40 = 16,000
100
56 x 4 =
224
100
5,678 / 10 =
567.8
100
45.2 + 4.52 =
49.72
100
Zahabiyah won 14 out of 27 medals at her science competition. Express this as a fraction.
14/27
200
Estimate the product. 1,511 x 22 =
1,500 x 20 = 30,000
200
2.346 x 100 =
234.6
200
12,345 / 1,000 =
12.345
200
36.3 - 21.18 =
15.12
200
The twelve students each want a piece of pink ribbon to wear for the breast cancer march. There is eighty-seven inches of ribbon. How much ribbon should each student get?
7 1/4 inches
300
Estimate the quotient. 583 / 6 =
600 / 6 = 100
300
0.678 x 100 =
67.8
300
1,476 / 6 =
246
300
2.8 x 52 =
145.6
300
Mrs. OGrady bought ninety-seven new pencils to give his class of nineteen students. How many pencils will each student get?
5 pencils
400
Estimate the quotient. 4,861 / 8 =
4,800 / 8 = 600
400
623 x 48 =
29,904
400
Represent the remainder as a fraction. 3,466 / 24 =
144 10/24
400
8.23 x 2.4 =
19.752
400
You are organizing a trolley ride for ninety-five total students, teachers & parents. If each trolley can seat fifteen people, how many trolleys do you need?
7 trolleys
500
Estimate the quotient. 275 / 14 =
280 / 14 = 20
500
42,117 x 319
13,435,323
500
Represent the remainder as a fraction. 3,427 / 15 =
228 7/15
500
423.6 / 24 =
17.65
500
Chloe, Dylan, and three of their friends are having a holiday movie marathon. They want a healthy snack while they watch, so they order a 58 pound veggie tray that they share equally by weight. Exactly how many pounds of veggies should each person get?
11 3/5 lbs