Rounding
Round to the nearest thousand
3,298
3,000
6,023 + 3,632
9,655
25 x 4
100
Write an equation for the comparison sentence.
56 is 7 times as many as 8.
56 = 7 x 8
A baseball team has an attendance of 43,798 on Friday and 44,716 on Saturday. What is the total attendance for the two days?
The total attendance was 88,514
Round to the nearest ten thousand
25,893
26,000
30,872 + 5,126
35,998
532 x 4
1,068
Compare the values of the numbers
529,840 _____ 569,840
529,840 < 569,840
A farmer has 59 cows. Each cow produces 25 liters of milk. How many liters of milk do the cows produce in all?
1,475 Liters
Round to the nearest thousand.
153,902
154,000
25,943 - 20,933
5,010
20 x 82
1,640
Compare the values of the numbers:
30 x 40 _______ 120
30 x 40 > 120
An inventor wants to raise $25,000 to start a project. The first week, he raised $12,362. The second week, he raised $11,592. How much more money does he need to raise?
$1,046 more
Round each number to the nearest thousand and estimate the sum.
45,203 + 6,902
45,000 + 7,000 = 52,000
32,739 - 2,562
30,177
2,400
Write a comparison sentence for the equation:
48 = 6 x 8
48 is 6 times as many as 8
There are about 12,762 known ant species. There are about 10, 997 known grasshopper species. The total number of ant, grasshopper and spider species is 67,437. How many spider species are there?
There are 43,678 spider species.
Round each number and estimate the difference.
54,965 - 3,672
55,000 - 4,000 = 51,000
54,294 - 35,482
18,812
63 x 36
2,268
Compare the values of the italic digits
20,000 and 2,000
The value of the 2 in 20,000 is ________ times the value of the 2 in 2,000.
10 times
City A has 2,981 fourth graders. City B has 2 times as many fourth graders as City A. City C has 4 times as many fourth graders as City B. How many fourth graders are in all three cities?
There are 20,867 fourth graders in all three cities.