Rounding/Estimating to the Tens
Rounding/Estimating to 100s
Word Problems
Regrouping
Vocabulary
100
Round to the nearest 10 789
790
100
Round 756 to the hundreds.
800
100
I have 337 markers and 456 crayons. How many do I have altogether?
793
100
673 - 228
445
100
To find the value of the digit 8 in the number 78 and 879, you need to know about what vocabulary word?
Place Value
200
Round to the nearest ten. 999
1000
200
Round 999 to the hundreds.
100
200
There are 797 children at the game. There are 912 adults. How many more adults are at the game than children?
115
200
642 -444
198
200
I had 14 pennies. I gave some away. Now I have 6 left. How many am I still missing? To solve this I must use what type of problem?
Subtraction
300
Estimate to the tens and solve. 759 - 334
430
300
Estimate to the hundreds and solve. 759 -334
500
300
There are 219 pencils in the drawer. Joan placed 237 more pencils in the drawer. Estimate how many pencils are in the drawer now.
460 or 400
300
773 - 89
684
300
What vocabulary word goes with this definition? A number written as the sum that shows the value of each digit
Expanded form
400
Estimate to the tens and solve. 430 - 399
30
400
Estimate to the hundreds and solve. 403 - 399
0
400
The coach has 925 tickets to sell for the game. If 349 people have already bought tickets how many are left to sell?
576
400
302 - 191
111
400
If you are changing the value of numbers to make them easier to work with you are doing what?
Estimating
500
Estimate to the tens and solve. 738 - 192
550
500
Estimate to the hundreds and solve. 738 - 199
500
500
There are 437 girls and 288 boys in the soccer league. How many more girls are there than boys?
149
500
700 - 636
64
500
If you need to buy 66 lunches for a field trip, and you want to know about how many lunches you need, what would you do?
Round
M
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