Rounding Money& Elapsed Time
Extended Facts
Estimation
Number Stories with ()
Challenge Number Stories with ()
100

Round to the nearest dollar $67.24

$67.00

100
20 x 10 = _____
What is 200?
100
Make a ballpark estimate, then solve. 365 + 491 = _____
What is 400 + 500 = 900? Exact answer = 856
100

A baker has 56 vanilla cupcakes and 72 chocolate cupcakes for sale. She sold 83 cupcakes. How many cupcakes did she have left?

What is 45 cupcakes?

100
Marcus had 100 marbles. He gave away 55 marbles and put the remaining marbles equally into 9 bags. How many marbles did he put in each bag?
What is 5 marbles?
200

Round $15.67 to the nearest dollar

$16.00

200
30 x _____ = 3,000
What is 100?
200
Make a ballpark estimate, then solve. 1,781 + 2,362 = _____
What is 2,000 + 2,000 = 4,000? Exact answer = 4,143
200
James has 38 blue marbles and 47 green marbles. He gave 53 marbles to his brother. How many marbles does he have left?
What is 32 marbles?
200
Rosa mad 56 cupcakes. She put 8 cupcakes into each box and sold the boxes for $3.00 each. How much money did Rosa receive?
What is $21.00?
300

round $129.51 to the nearest dollar

$130.00

300
I have 30 ten dollar bills. How much money do I have?
What is $300?
300
Make a ballpark estimate, then solve. 653 - 127 = _____
What is 700 - 100 = 600? Exact answer = 526
300
Sarah had 97 pennies and 24 nickels in her coin collection. She gave 36 coins to her sister. How many coins does she have left in her collection?
What is 85 coins?
300
Jose bought 4 cartons of juice for $0.80 each. He gave the cashier $5.00. How much change should he receive?
What is $1.80?
400

Tom went to swimming practice at 2:37pm, practice was 56 minutes long. What time did he finish swimming practice?

3:33pm

400
I have 50 hundred dollar bills. How much money do I have?
What is $5,000?
400
Make a ballpark estimate, then solve. 333 - 198 = _____
What is 300 - 200 = 100? Exact answer = 135
400
Liz spent $65 on shoes and $119 on clothes. She had $200 in her wallet. How much money does she have left?
What is $18?
400
On Monday, Lia read 4 times as many pages of her book as Jess. Lia read 100 pages. How many more pages did Lia read than Jess?
What is 75 pages?
500

Raul started walking home from school at 4:17, his walk is usually 27 minutes, what time will he get home?

4:44pm

500
If I have $1,000 and only $10 bills, how many bills do I have?
What is 100 bills?
500
Make a ballpark estimate, then solve. 7,444 - 5,864 = _____
What is 7,000 - 6,000 = 1,000? Exact answer = 1,580
500
A grocer had 86 red onions and 139 yellow onions for sale. He sold 98 onions. How many onions did he have left?
What is 127 onions?
500
Sarah completed 3 times as many laps of the track as Joe. Sarah completed 18 laps. How many more laps did Sarah complete than Joe?
What is 12 laps?
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