Base Ten 1
Base Ten 2
Base Ten 3
Base Ten 4
Base Ten 5
100

Xavier and Yin both collect stamps. Together, they have 482 stamps. What is this number rounded to the nearest hundred?

What is 500?

100
Heidi earns $126 a week working at a department store, and $250 a week working at a restaurant. Heidi’s sister earns $345 a week working at a pet store. How much do they earn together?
What is $721?
100
Rounding to the nearest 10, which number will not round to 590? A. 593 B. 586 C. 597 D. 588
What is 597?
100
A movie theater sold 692 tickets to the evening show. It sold 385 tickets to the afternoon show. How many more tickets were sold for the evening show than the afternoon show?
What is 307?
100
A school has 9 buses. Each bus has 40 seats. How many seats are there for the 9 buses?
What is 360 seats?
200
As part of the recycling drive at their school, Zafir, Brear, Michelle, and Carlos collect 21, 47, 40, and 32 cans. What was the total number of cans collected by the four students, rounded to the nearest ten?
What is 140?
200
For the recycling project, Karen’s class collected 234 cans and 120 cardboard boxes. How many more cans than boxes did they collect?
What is 114?
200
Damon had three bags filled with stamps. One bag had 196 stamps, one had 105 stamps, and one had 210 stamps. How many stamps did Damon have in the three bags?
What is 511?
200
The hobby story has 5 boxes of wheels. There are 70 wheels in each box? How many wheels does the hobby store have?
What is 350 wheels?
200
Bobby planted 6 rows of flowers. Each row had 30 flowers. How many flowers did Bobby plant in all?
What is 180 flowers?
300
Deshi has 427 marbles and Elijah has 394 marbles. Deshi wants to give 125 marbles to his little sister. How many total marbles will Deshi and Elijah have after this?
What is 696?
300
What is the sum of 356 and 71, if each is rounded to the nearest hundred?
What is 500?
300
Nakea has $300 to spend on groceries. The groceries cost $254. How much money did Nakea have left after buying groceries?
What is $46?
300
Tyra bakes some cookies. Each cookie tray has 60 cookies. She uses 7 cookie trays. How many cookies does she bake?
What is 420 cookies?
300
A notebook has 70 sheets of paper. How many sheets of paper do 7 notebooks have?
What is 490?
400
Martina has 6 boxes of cards. Each box has 70 cards in it. How many cards does Martina have in all?
What is 420?
400
There were 524 tickets sold for a play on Wednesday and 392 tickets sold on Thursday. How many more tickets were sold on Wednesday than on Thursday?
What is 132?
400
A town has two schools. There are 473 students at one school. The other school has 354 students. How many students are there at both schools?
What is 827?
400
Maria’s dad rides the bus 32 miles each morning. He rides 48 miles each afternoon. How many miles will he ride in 5 days?
What is 400?
400
There are 30 nickels in each roll. Tao has 9 rolls of nickels. How many nickels does she have in all?
What is 270?
500

A jar contained 398 dry kidney beans. The teacher added 467 beans to the jar, and then removed 632 beans. How many beans were left in the jar?

What is 233?

500
During a traffic study, the number of cars that drove through a certain intersection over two days was counted. On the first day, 423 cars drove through the intersection. On the second day, 458 cars drove through the intersection. What is the total number of cars to drive through the intersection rounded to the nearest ten?
What is 880?
500
Jack said that a good estimate for 691 – 476 is 200. Julio said it is 210. Who is correct?
What is ...they both are correct?
500
There are 40 toothpicks in a jar. There are 3 jars in 1 box. How many toothpicks are in 2 boxes?
What is 240?
500
A sports store orders 8 boxes of basketball caps. Each box has 40 caps. How many basketball caps are in all 8 boxes?
What is 320?
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