Estimate to solve.
Tom had 66 dimes in his bank. He spent 41 of his dimes.
About how many dimes does he now have in his bank?
What is 30 dimes.
200
131 rounded to the nearest 10s.
What is 130.
200
1,354 rounded to the nearest 100s.
What is 1,400.
200
Estimate to solve. 56 + 54
What is 60 + 50 = 110
200
Estimate to solve. 67-41
What is 70-40=30.
200
Estimate to solve.
Mike scored 21 points in Monday's basketball game and 28 points in Friday's game. About how many points did he score in the last two games?
What is 50 points.
300
1800 rounded to the nearest 10s
What is 1800.
300
List two numbers that can be rounded to 900.
What is any number from 850 to 949
300
Estimate to solve. 578 + 131
What is 600 + 100 = 700.
300
Estimate to solve. 249-101
What is 200-100=100
300
Estimate to solve.
There are 272 popular trees currently in the park. Park workers will plant
255 more popular trees today. About how many popular trees will be in the park when the workers are finished?
What is 600 popular trees.
400
13,789 rounded to the nearest 10s
What is 13,790.
400
135,010 rounded to the nearest 100s.
What is 135,000
400
Estimate to solve. 750 + 650
What is 800 + 700 = 1,500.
400
Estimate to solve. 6,789-2,010
What is 7,000-2,000=5,000.
400
Estimate to solve.
Mary's Cupcake Shop sold a total of 565 cupcakes today, and 183 of those had sprinkles. About how many cupcakes were sold without sprinkles?
What is 400 cupcakes.
500
List two numbers that can be rounded to 80.
What is any number from 75-84.
500
22,890,999 rounded to the nearest 100s.
What is 22,891,000
500
Estimate to solve. 3,467 + 1,890
What is 3,000 + 2,000 = 5,000.
500
Write a subtraction problem that has an estimated difference of 80.
What is 100-20. (Ex. 101-22)
500
Estimate to solve.
There are 8,679 erasers in the stockroom. Sandy placed 8,786 more erasers in the stockroom. About how many erasers are now in the stockroom?