ROUNDING
NEAREST 10
ROUNDING
NEAREST 100
3 DIGIT
ADDITION
3 DIGIT
SUBTRACTION
MIXED
REVIEW
100
582 rounded to the nearest 10
What is 590?
100
475 rounded to the nearest 100
What is 500?
100
390 + 240 =
What is 630?
100
Find the difference of 845 - 320.
What is 525?
100
True or False - The Y-axis is a line on a graph that runs horizontally (left-right) through zero. You can measure or graph data from it.
What is False? The X-axis runs horizontally. The Y-axis runs vertically (top-bottom)
200
349 rounded to the nearest 10
What is 300?
200
3,206 rounded to the nearest 100
What is 3,200?
200
This number is the sum of 2 hundreds 4 tens 7 ones and 3 hundreds 6 tens 9 ones.
What is or 6 tens 1 ten and 6 ones or 616.
200
Find the difference of 2 hundreds 3 tens 7 ones and 7 tens 8 ones.
What is 159? (237 - 78 = 159)
200
263 + 498 =
What is 761?
300
LPA third graders participated in a cookie dough fund raiser. The three classes raised $218, $156, and $269. This is the sum of the money collected rounded to the nearest 10.
What is $640? (218 + 156 + 269 = $643)
300
Mrs. Royal asked her students to decompose the number 583 then round to the nearest hundred. This way is correct: A. 500 + 8 + 3 = 583, rounded is 600 B. 500 + 30 + 8 = 583, rounded is 600 C. 500 + 80 + 3 = 583, rounded is 600
What is C? (500 + 80 + 3 = 583, rounded is 600)
300
A pet store has 162 goldfish, 124 angelfish, and 53 clown fish. How many fish are there in all?
What is 339?
300
The jelly bean jar can hold 850 jelly beans. The teacher gave 125 jelly beans to first period and 70 to second period. How many jelly beans are left in the jar?
What is 655? (850 - 125 = 725, 725 - 70 = 655)
300
There are 58 third graders and 47 second graders going on a field trip. Of the group, 49 students are bringing a sack lunch, and the rest are buying lunch from the cafeteria. How many students are buying lunch from the cafeteria?
What is 56? (58 + 47 = 105, 105 - 49 = 56)
400
James drew a number line on his paper to help him round. The bench mark numbers were 50 and 60. If the number James was rounding on his number line rounded to 60, name all of the numbers that his original number could have been. (There is more than one number ☺)
What is 55, 56, 57, 58, 59, 60, 61, 62, 63, and 64
400
Kevin broke is iPad. He did chores for weeks to earn money for a new one. He was so excited when dad said that he had done it! Kevin had earned a lot of money! When rounded to the nearest 100, the value of Kevin’s earnings was 200. The amount that he earned could have been ___. (More than one answer ☺)
What is ____ (Any number that falls within range of $150 - $249.)
400
The Smith family took a vacation. They drove 256 miles on the first day and 287 miles on the second day. If they drove the same number of total miles on their return trip, how many miles did they drive on their entire trip?
What is 1,086. (256 + 287 = 543, The sum is doubled for the return trip 543 + 543 = 1,086.)
400
Black Shoals Lake in Georgia is 650 acres in size. Lake Rabun, also in Georgia, is 834 acres in size. What is the difference between the two lakes in acres?
What is 184 acres? (834 - 650 = 184)
400
755 + 115 is about: A. 700+100 B. 750+110 C. 760+120
What is C. 760 + 120?
500
Georgia provides habitats for approximately 347 species of birds. Between 90 and 110 species breed and nest in south Georgia. This number increases in north Georgia to almost 130 nesting birds. Rounded to the nearest 10, this is about how many species of birds there are in Georgia.
What is 350? (347 rounded to the nearest 10 is 350. The problem gives you extra information that is not needed.)
500
The 1996 Summer Olympic Games were held in Atlanta, GA. The opening ceremony on July 19 attracted a capacity crowd of 83,000. Those who came to watch the athletes were not disappointed by the 10,318 competitors representing 197 nations in 26 sports. This number represents the number of competitors who attended rounded to the nearest 100.
What is 10,300?
500
Pete can run 178 yards in one minute. Sharon can run 119 more yards than Pete in one minute. How many yards can they both run in one minute?
What is 475 yards? (Pete runs 178 yards. Sharon runs the same as Pete AND 119 more, or 178 + 119 = 297. Add both sums to get 178 + (178 + 119) = 475.
500
A party supply store needs to fill an order for 485 party favors. It packages 170 on Monday and 220 on Tuesday. How many more party favors does it still need to package?
What is 95? (485 - 170 = 315, 315 - 220 = 95)
500
10 + (8 + 12) = A. 10 + 20 B. (12 + 10) + 8 C. (12 + 8) + 10 D. All of the above
What is D. All of the above? (Associative Property)
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