Count back/Count on
9-7
Count on
345-124
221
5,235-2,123
3,112
Round 27 to the nearest tens place
30
Ms. Massamillo raised $235 for the third grade fundraiser. Mrs. Artz raised $124. How much more money did Ms. Massamillo raise than Mrs. Artz?
$111
12-2
Count back
628-452
176
4,765-2,683
2,082
Round 52 to the nearest tens place
50
Mrs. Artz and Ms. Massamillo went to the zoo. Mrs. Artz saw 42 different animals and Ms. Massamillo saw 89 different animals. What is the difference in the number of animals that they saw?
47 animals
14-3
Count back
415-261
154
7,456-6,289
1,167
Round 457 to the nearest hundreds place
500
Mrs. Artz spent $125 at the grocery store. Ms. Massamillo spent $237. How much more money did Ms. Massamillo spend?
$112
14-12
Count on
784-396
388
2,045-1,004
1,041
Round 118 to the nearest hundreds place
100
Ms. Massamillo went on a trip that was 2,000 miles away. Mrs. Artz also went on a trip that was 655 miles away. How many more miles did Ms. Massamillo have to travel?
1,345 miles
16-13
Count on
900-426
474
6,000-5,099
901
Round 97 to the nearest tens place
100
Mrs. Artz drove for 3,000 miles of the trip. Ms. Massamillo only drove for 350 miles of the trip. How many more miles did Mrs. Artz drive than Ms. Massamillo?
2,650 miles