Rounding to the nearest 10
Write in expanded notation: 22
20 + 2
Round to the nearest 10 and then subtract: 36 and 21
36 rounded is 40
21 rounded is 20
40 - 20 = 20
This month, Shoaib and Hamza are having a contest to see who reads the most pages in class. By the end of the month, Hamza read 258 pages and Shoaib read 217 pages. Who read the most and who won the contest?
Hamza read the most and won the contest.
Write in expanded notation: 942
900 + 40 + 2
Round to the nearest 100 and then add these two numbers: 525 and 210
525 rounded is 500
219 rounded is 200
500 + 200 = 700
This month, Shoaib and Hamza are having a contest to see who reads the most pages in class. By the end of the month, Hamza read 258 pages and Shoaib read 217 pages.
How many more pages did the winner read than the loser? Write an equation.
Equation: 258 - 217 = 41 Hamza read 41 more pages than Shoaib.
Write in expanded notation: 1,843
1,000 + 800 + 40 + 3
Round to the nearest 100 and then subtract: 540 - 211
540 rounded is 500
211 rounded is 200
500 - 200 = 300
Jonathon got 561 Legos for his birthday in September. Then, Jonathon got 376 Legos for Christmas in December. How many legos does he get in total? Write an equation.
561 + 376 = 937
5,000 + 400 + 80 + 2
Round to the nearest 100 and then subtract: 762 and 383
762 rounded is 800
383 rounded is 400
800 - 400 = 400
The school had 463 students. Over winter break, 96 students moved away. How many students are left? Write an equation.
Equation: 463-96=367
Write in expanded notation: 43, 961
40,000 + 3,000 + 900 + 60 + 1
Round to the nearest 100 and then subtract: 1,244 and 857
1,244 rounded is 1,200
857 rounded is 900
1,200 - 900 = 300
The City School had 2,341 wood chips on the playground. After a heavy rain, 257 wood chips are washed away. How many wood chips are left over? Write an equation.
Equation: 2,341 - 257 = 2,084