7.1
What is the value of the 6 in the number 654?
600
Round the number 79 to the nearest hundred
100
Round the number to the nearest ten and to the nearest hundred: 69
ten: 70
hundred: 100
Round to the nearest ten to estimate the sum.
35 + 43 = ?
80
Round to the nearest ten to estimate the difference.
57 - 43 = ?
20
What is the value of the 0 in the number 507?
0
Round the number 63 to the nearest ten.
60
Round the number to the nearest ten and to the nearest hundred: 355
ten: 360
hundred: 400
Round to the nearest hundred to estimate the sum.
620 + 97 = ?
700
Round to the nearest ten to estimate the difference.
285 - 31 = ?
260
A lemonade stand sells one hundred five glasses of lemonade on Saturday and 150 glasses of lemonade on Sunday... Which day do they sell more glasses of lemonade?
Round the number 399 to the nearest ten.
400
Round the number to the nearest ten and to the nearest hundred: 999
ten: 1,000
hundred: 1,000
Round to the nearest ten to estimate the sum.
178 + 432 = ?
610
Round to the nearest hundred to estimate the difference.
389 - 177 = ?
200
Identify the value of each digit in the number 249.
200, 40, 9
Draw a number line showing how to round 201 to the nearest hundred.
200|-*-----250------|300
A three-digit number has the digits 7, 5, and 2.
It rounds to 600 when rounded to the nearest hundred.
What is the number?
572
Newton has $42. Descartes has $50. Do they have more than $100 in all? Use estimates to explain.
No, 40 + 50 = 90
A soccer club sold 189 tickets for a soccer competition. So far, 82 people have arrived for the competition. About how many more people are expected to arrive?
110
The three digits of my number are 2, 3, and 8.
My number is odd.
My number is less than 820.
What is my number?
283
Draw a numberline to show 42 rounded to the nearest hundred.
0|----*--50------|100
On which months are there about 300 people at the farmer's market?
October: 288
November: 311
December: 451
January: 303
February: 244
October, November, and January
A snack shack at a basketball game sells 226 hotdogs, 289 soft pretzels, and 262 bags of chips. About how many items does the snack shack sell?
Mrs. Denk will check your work.
Workers are repairing 900 miles of road. They complete 214 miles one month and 355 miles the next month. By rounding to the nearest hundred, how many more miles do they have left to repair?
300 miles