852
850
99
100
Lexa brought 87 pencils to school. She saw that Elizabeth had 235 pencils already. How many pencils do the girls have in total?
You would find the EXACT answer because it asks "How many..."
202 + 693
Answer: 693 + 202 = 895
Check: 700 + 200 = 900
THE ANSWER IS REASONABLE!
For a bake sale, Miss McDermott made 453 muffins and Miss McCoy baked 389 brownies. About how many baked goods did the teachers bake altogether?
Round to the nearest 10.
450 + 390 = 840
The teachers made about 840 baked goods.
327
330
428
400
Michael brought in 622 cupcakes for his birthday. Sara brought in 988 cupcakes for her birthday. How many cupcakes did they bring in total?
You would find the ESTIMATED number because it asks "How many..."
912 + 238
912 + 238 = 1150
900 + 200 = 1100
THE ANSWER IS REASONABLE!
Over the summer, Sofia read 321 books and Lorena read 348 books. About how many books did they read together?
Round to the nearest 100.
They read about 600 books altogether.
1,688
1,690
589
600
Justin got 988 pokemon cards for his birthday and he combined them with Yoel's 478 pokemon cards. Estimate the number of cards they now have altogether.
You would find the ESTIMATED number because it tells you to "Estimate..."
893 - 415
893 - 415 = 478
900 - 400 = 500
THE ANSWER IS REASONABLE!
One afternoon, Maddie was hungry so she opened a bag of 588 gummy bears. She could only eat 302 gummy bears. About how many gummy bears were left in the bag?
Round to to the nearest 10.
590 - 300 = 290
There were about 290 gummy bears left in the bag.
5,945
5,950
3,243
3,200
Maggie, Bri, and Raegan went trick-or-treating. Maggie collected 238 pieces of candy. Bri collected 456 pieces of candy, and Raegan collected 189 pieces of candy. About how many pieces of candy did the girls collect altogether?
1,083 + 478 =
1,083 + 478 = 1,561
1,000 + 500 = 1,500
THE ANSWER IS REASONABLE!
Miss McDermott went on a scavenger hunt and found 872 skeleton bones. She gave 456 to Miss McCoy and 23 to Mr. O. About how many bones was Miss McDermott left with?
Round to the nearest 10.
About 390 bones.
93,258
93,260
353,498
353,500
Yoel found $578 on the ground. He ran into Justin who had $294. About how much money do they have altogether?
You would find the ESTIMATE.
4,396 - 1,889 =
EXACT: 2507
ROUNDED: 2500
YES THIS IS REASONABLE!
There were 1,367 cookies in the lunch room on Monday. After lunch, there were 732 cookies left. About how many cookies were eaten?
Round to the nearest 10.
1,370 - 730 = 640
There were about 640 cookies left in the lunch room.