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Estimation
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Problem Solving
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100

Estimate: 

432 x 3 

1200

100

Solve: 

27 x 4 

108

100

Solve: 12 x 13 

156

100

Taylor Swift was making bracelets for herself and her 5 friends to wear at the Eras Tour. Each bracelet used 13 beads. How many total beads did Taylor use? 

78 beads 

100
Round to the nearest THOUSAND: 


32,781

33,000

200

Estimate: 

34 x 56 

1800

200

Solve: 

83 x 9

747

200

Solve: 32 x 21

672

200

Mr. Brill LOVES Nerds Gummy Clusters. He figured out that each bag has 13 clusters in it. USE A TABLE to figure out how many total clusters are in 4 bags. 

52 clusters

200

Compare using < , >, =


1,842,569 and 1,841,321

1,842,569 > 1,841,321

300

Estimate: 

212 x 32 


6000

300

Solve: 

352 x 5 

1,760

300

Solve: 52 x 45 

2,340

300

Mrs. Brill went to Target. She bough 3 books that cost $13 each, she bought 4 bottles of Iced Coffee at $6 each, and she also bought a new cat tree for her cats. If Mrs. Brill spent $112 at Target, how much was the cat tree? 

$49 for the cat tree 

300

Solve: 

10,762 + 4,786 

15,548

400

Will the answer be less than or greater than the actual answer? 

Estimate: 

57 x 9

Greater Than

400

Emily has 14 packs of gum. Each pack has 8 pieces. How many total pieces of gum does Emily have?

112 pieces of gum

400

An orchard owner was counting the number of apples he had total. Each of his fifteen trees had fifty-one apples in it. How many apples did he have total?

765 apples

400

There is a parking deck with 5 levels. Each level can hold 32 cars. USE A TABLE to show how many cards can fit in the parking deck.  

160 cars

400

Solve: 

95,812 - 63,547

32,265

500

Will the answer be less than or greater than the actual answer? 

Estimate: 

62 x 23 

Less Than
500

Mrs. Brill gives her cats 3 scoops of dry food a day. How many scoops does she give them in 3 weeks? 

REMEMBER: there are 7 days in a week. 

63 scoops

500

A movie theater has seventeen rows of seats. If each row has twenty-two seats in it, how many seats does the theater have total?

374 seats

500

Penn Cinema wanted to see how many tickets they could sell in one full showing of Wicked. Theater A has 12 rows with 23 seats in each row. Theater B has 21 rows with 15 seats in each row. How many total seats are there? 

591 seats 

500

If Tom has 1,000 markers and his mom gives him 5,500 more markers, how many markers does he have in all. 

6,500 markers