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Rounding to the nearest 10s
Rounding to the nearest 100s
rounding to the nearest 1,000
Estimation
Estimation word problems
100
what is 31 rounded to the nearest tens
30
100
What is 102 rounded to the nearest hundreds
100
100
What is 2,300 rounded to the nearest thousands
2,000
100

Estimate to the nearest tens. 

89 + 71 =

160

100

Amy is collecting stamps for the students in Ms. Kelly's class. She has 35 stamps. She gets 53 more. About how many stamps does Amy have?

90

200
What is 56 rounded to the nearest tens
60
200
What is 172 rounded to the nearest hundreds
200
200
What is 4,600 rounded to the nearest thousands
5,000
200

estimate to the nearest tens

115+107

230

200

Ms. Kelly ordered pizza for the afternoon tutorial students. On Monday she ordered 11 pizzas. On Tuesday she order 14 pizzas. About how many pizzas did she order all together?

20

300
What is 45 rounded to the nearest tens
50
300
What is 789 rounded to the nearest hundreds
800
300
What is 6, 578 rounded to the nearest thousands?
7,000
300

estimate to the nearest hundreds

417+281=

700

300

Ms. Culkin wanted to order coloring books for her third and fourth grade students. There are 127 students in third grade and 95 students in fourth grade. To the nearest ten, about how many should she order?

230

400
What is 15 rounded to the nearest tens
20
400
What is 541 rounded to the nearest hundreds
500
400
What is 8,412 rounded to the nearest thousands
8,000
400

estimate to the nearest thousands

1,047+1,119=

2,000

400

Mr. K bakes cakes. He baked 2,345 cakes in 2019. He baked 2, 225 in 2020. About how many cakes did he bake in 2019 and 2020? (nearest hundred).

4,500

500
What is 97 rounded to the nearest tens
100
500
What is 951rounded to the nearest hundreds
1,000
500
What is 9,600 rounded to the nearest thousands
10,000
500

estimate to the nearest ten hundreds

12,497+10,345=


22,800

500

HSS wants to count all of its students. There are 87 Kinder students, 83 first grade students, 92 second grade students, 77 third grade students, 69 fourth grade students and 67 fifth grade students. 

To the nearest tens, about how many students are in the entire school?

480