Estimation
Rounding decimals
Writing Equations
Mystery!
Adding and Subtracting
100
Glenn drove 30.3 miles from his house to the mall. Then he drove 8.7 miles to the gym. About how many miles did he drive in all? A) 50 miles B) 35 miles C) 40 miles D) 10 miles
What is C) 40 miles.
100
What is 5.544 rounded to the nearest tenth
What is 5.5
100
Corey is giving his brother 18 of his toy cars. If x represents the number of toy cars Corey has, which expression shows how many toy cars Corey will have left?
What is x-18.
100
A school ordered 912 pencils. If the pencils come in boxes of 48, how many boxes of pencils did the school order?
What is 19 boxes.
100
56.87+34.92
What is 91.79
200
There are 5 kindergarten classes at Rocky Run Elementary. The classes have 31, 27, 33, 28, and 34 students. About how many kindergartners are at Rocky Run Elementary?
What is about 150.
200
Round 30.863 to the nearest hundredth.
What is 30.86.
200
Kendal and Greg found some seashells on the beach. Kendal found 13 shells. All together they found 24 shells. Which equation, when solved, will show how many shells Greg found?
What is 13+x=24
200
There are 540 seats in the movie theater. There are 15 rows of seats. How many seats are in each row?
What is 36.
200
158.256-76.951
What is 81.305
300
Carol biked 1.3 miles on Monday. She biked 4.2 miles on Tuesday. About how many more miles did Carol bike on Tuesday than Monday?
What is about 3 miles.
300
Dan's new book has 456,798 words in it. What is this number rounded to the nearest ten thousand?
What is 460,000.
300
Daisy has 85 books in her room. She keeps some of the books on her desk and the other 9 on her bookcase. Which equation, when solved, will show how many books are on Daisy's desk?
What is 85-x=9
300
An employee at a grocery store is moving 26 boxes. Each box weighs 22.8 pounds. What is the total weight of the boxes being moved?
What is 592.8 pounds
300
Dee hiked 3.8 miles on Saturday and 6.2 miles on Sunday. How many more miles did Dee hike on Sunday than Saturday?
What is 2.4 miles.
400
Matt did homework for 38.6 minutes on Wednesday night. He did homework for 74.2 minutes on Thursday night. About how many minutes did Matt spend on homework on both Wednesday and Thursday night?
What is about 110 minutes or an hour and 50 minutes.
400
Round 386,879 to the nearest ten thousand.
What is 390,000.
400
There are ten groups of students with 20 students in each group. Each table in the cafeteria can seat 5 students each. Write an equation to find out how many tables are needed for all of the students.
What is 10x20 divided by 15.
400
Solve: 1,356,971-467,821
What is 889,150
400
Henry drove 45.35 miles on Monday, Wednesday, and Friday. He drove 22.67 miles on Tuesday and Thursday. How many miles did Henry drive in all?
What is 181.39 miles.
500
Estimate the sum: 406,439+98,972
What is about 500,000.
500
DAILY DOUBLE!!!!! Christie bought a hot dog for $2.25. She bought a soda for $1.50. If Christie pays with a five dollar bill how much change will Christie get back?
What is $1.25.
500
Max's neighborhood covers three streets and has 68 houses in it. There are 18 houses on Elm Street. There are twice as many houses on Oak Street than Elm Street. How many houses does Maple Street have?
What is 14 houses.
500
Carl has $10.00. If he buys a bag of popcorn for $1.45, a hamburger for $2.89, and a drink for $2.35 how much change will Carl get? Could Carl afford to get an ice cream cone for $2.87 too?
What is $3.31 and yes.
500
If Mandy makes $394.84 every week, how much money will Mandy have after 4 weeks? How much more does Mandy need to make to get $2,000?
What is $1579.36 and $420.64