Estimating
Jayce bought 13 packs of Pokemon card. Each pack came with 15 cards. About how many Pokemon cards did Jayce get?
13 x 15
10 x 20 = about 200 Pokemon cards
Miles is baking bread. He has 14 bins of his world famous bagels. Each bin has 33 bagels in it. How many bagels does Miles have?
Miles has 462 bagels
Riley and Bryan start a lawn mowing business. They charge $36 to mow a lawn. If Riley mowed 25 lawns and Bryan mowed 15 lawns, how much money did they make?
They made $1,440.
Annie bought 13 packs of Pokemon card. Each pack came with 15 cards. How many Pokemon cards did Annie get? Draw an area model to solve.
see student work.
195 pokemon cards
What is a partial product?
answers will vary
Mila is making packs of stickers for her friends. She has 47 people that want a sticker pack from her. Every sticker pack comes with 28 stickers. Mila thinks that she needs 1,200 stickers. Is her answer reasonable?
answers will vary
At SP 11 Jurvis B Pehan, there are 12 classrooms. Each classroom has 35 chairs. How many chairs are there in all?
There are 420 chairs.
Mohmmad has 4 notebooks. Each notebook has 85 pages. If Mohmmad buys 3 more notebooks, how many pages does he have in all?
Mohmmad has 595 pages.
Mila is making packs of stickers for her friends. She has 45 people that want a sticker pack from her. Every sticker pack comes with 22 stickers. Draw an area model to see how many stickers Mila needs.
see student work
990 stickers
What 4 expressions can be used to find 13 x 15?
10 x 10
10 x 5
3 x 10
3 x 5
John ran 27 laps every time he went to the gym. He went to the gym 11 times in September. Estimate how many laps did John ran in September.
27 x 11
30 x 10 = 300 laps
James has found the product of two factors to be 6,300. If one of the factors James used is 90 what is the other factor?
The other factor is 70.
90 x 70 = 6,300
Mr. Sinchi's landscape service charges $87 to plant a tree. What is the total cost to plant 15 trees on Tuesday and 25 trees on Wednesday?
It would cost $3,480
Anthony ran 27 laps every time he went to the gym. He went to the gym 11 times in September.Draw an area model to find how many laps Anthony did.
see student work
297 laps
How many partial products do you need to solve
18 x 25?
bonus points: how many partial products do you need to solve 18 x 253?
4 partial products
6 partial products
Estimate the cost of giving every student in our class $123.
hint: there are 21 students in our class.
It would cost about $2,100 to give everyone in our class $123.
Ally does 18 hours of homework a week. How many hours of homework does she do in 36 weeks?
Ally does 648 hours of homework.
The library at Jurvis B Pehan has 16 bookshelves that each hold 45 books. How many books can the library hold if they add 4 bookshelves?
The library can hold 900 books
How much would it cost to give every student in our class $123? Draw an area model to solve.
hint: there are 21 students in our class.
see student answers
$2,583
Write all the partial product equations for 12 x 37. Then, find the product.
10 x 30 = 300
10 x 7 = 70
2 x 30 = 60
2 x 7 = 14
12 x 37 = 444
Valentina painted a picture that was 10 inches long and 14 inches wide. Zara painted a picture that was 22 inches long and 15 inched wide. About how much larger is Zara's painting than Valentina's painting?
Zara's painting is about 300 inches larger than Valentina's.
The Jurvis B Pehan Hiking trail is 14 miles long. Casey went for a walk on the trail everyday for 78 days. Joseph went for a walk every other day. Casey went for a walk once a week. How far did Casey walk in all?
Casey walked 1,092 miles
Mr. Sinchi plays 14 hours a week on his Xbox and 7 hours a week on Roblox. How many more hours does Mr. Sinchi spend on the Xbox than Roblox in a month?
28 more hours on Xbox
Diane painted a picture that was 18 inches long and 2 inches wide. Zara painted a picture that was 18 inches long and 15 inched wide. Use an area model (or area models) to find how much larger Zara's painting is than Valentina's painting.
Zara's painting is 234 inches larger.
What is the area of the smallest box in an area model for 32 x 24?
2x4=8