Ones, Tens, Hundreds, Thousands, Ten Thousands, Hundred Thousands, Millions
100
How would you change 123 to help you estimate?
100
100
Add
6,311 + 1,268 =
7,579
100
259 - 171 =
88
100
There 9 girls and 14 boys in a class. How many students are there all together?
There are 23 students in the class.
200
What is the Value of the digit 4 in the number:
834,956
4 Thousands, or 4,000
200
Using rounding on 4,479 to make a number that you can estimate with
4,000
200
297 + 1,329 =
1626
200
3,492 - 2,341 =
1,151
200
When Eve's Cafe had it's grand opening 931 people were waiting in line to buy muffins. At the end of the day Evelyn only had 27 muffins left. How many muffins did Evelyn sell?
Evelyn sold 904 muffins
300
Arrange the following numbers in order, beginning with the smallest
504,054 4,450 505,045
4,450 504,054 505,045
300
Estimate:
731 - 429
300
300
755,206 + 89,814 =
845,020
300
23,422 - 11,510 =
11,912
300
A school bus calculated that it drove a total of 8,578 miles in 6 months. In the first month the bus traveled 659 miles. How many miles did the bus travel during the remaining 5 months?
The bus traveled 7,919 miles.
400
Compare the values of each 5 in the number 956,502
one 5 is worth 50,000
the other 5 is worth 500
500 < 50,000
400
I have about 1,500 books.
How many books could I actually have?
too many answers
400
40,762 + 30,473 =
71,235
400
4,625 - 435 =
4,190
400
The Cubs and the Cards are going to play a baseball game. 29,855 tickets were sold on Thursday and 32,086 tickets were sold on Friday. How many total tickets were sold?
They sold 61,941 total tickets.
500
Compare using > < or =
234 thousands + 7 ten thousands ____ 389,000
304,000 < 389,000
500
Elyas has 6,767 robux. Wow! Joey has 4,191 robux. About how much robux do they have to spend?
11,000 robux.
500
392 + 281 + 25 =
698
500
219,925 - 121,705 =
98,220
500
Peoria has a population of 242,628 people. Springfield has a population of 376,865 more people. What is the total population of the two cities.