place value chart lv. 1
2 x 213
426
3 x 2,546
7,638
Every day at the bagel factory, Cyndi makes 5 different kinds of bagels. If she makes 144 of each kind, what is the total number of bagels that she makes?
720 bagels
Sara calculated 7×136=8827×136=882. What is the correct answer?
Correct answer: 7×136=9527×136=952.
Tom has 4 boxes. Each box has 125 crayons.
He buys 3 more boxes with 100 crayons each.
How many crayons does Tom have now?
hint: find first amount of crayons, find second amount of crayons, find total amount
First: 4×125=5004×125=500 crayons
Second: 3×100=3003×100=300 crayons
Total: 500+300=800500+300=800 crayons
3 x 214
642
2 x 4,036
8,072
There are 7,650 pencils in a warehouse. If 3 warehouses have the same amount, how many pencils are there in total?
22,950 pencils
Mark calculated 5×312=1,6205×312=1,620.
Correct answer: 5×312=1,5605×312=1,560.
A farmer has 7 baskets. Each basket holds 230 apples.
He picks 5 more baskets with 150 apples each.
How many apples does he have altogether?
hint: find first amount of baskets, second amount of baskets, find total amount
First: 7×230=1,6107×230=1,610 apples
Second: 5×150=7505×150=750 apples
Total: 1,610+750=2,3601,610+750=2,360 apples
3 x 212
636
3 x 1,054
3,162
A factory packs 1,204 bottles per box. How many bottles are there in 5 boxes?
6,020 bottles
Lily said 9×421=3,5799×421=3,579.
Correct answer: 9×421=3,7899×421=3,789.
A factory makes 1,124 toy cars each day. They operate for 6 days.
If 4 trucks each carry 1,500 toy cars, how many toy cars are left in the factory?
hint: find the total made, cars carried by trucks, and cars left
Total made = 1,124×6=6,7441,124×6=6,744
Cars carried by trucks = 4×1,500=6,0004×1,500=6,000
Cars left = 6,744−6,000=7446,744−6,000=744
4 x 513
2,052
3 x 1,254
3,762
A book costs $14. If Sarah buys 1,236 books, how much money does she spend?
$17,304
A pet store has 7 cages. Each cage holds 195 birds.
The store owner says there are 1,355 birds.
7×195=1,3657×195=1,365.
A farmer has 3 fields. Each field grows 2,350 corn plants.
He sells 9 crates of corn, each crate holding 15 plants.
How many corn plants does the farmer have left after selling?
hint: find total corn plants, plants sold, and plants left
Total corn plants = 3×2,350=7,0503×2,350=7,050
Plants sold = 9×15=1359×15=135
Plants left = 7,050−135=6,9157,050−135=6,915
2 x 424
848
3 x 1,407
4,221
There are 8,452 seats in a stadium. If 6 stadiums have the same number of seats, how many seats are there in all?
50,712 seats
Cindy says she found a shortcut for doing multiplication problems. When she multiplies 3 × 24, she says, “3 × 4 is 12 ones, or 1 ten and 2 ones. Then, there’s just 2 tens left in 24, so add it up, and you get 3 tens and 2 ones.” Do you think Cindy’s shortcut works? Explain your thinking in words, and justify your response using a model or partial products.
the correct answer would be 72
A school has 8 classrooms. Each classroom has 1,384 books.
If 3 boxes, each containing 24 books, are added to the library, how many books are there now?
Hint: find the total books in the classroom, books in the boxes, and total books now.
Books in classrooms = 8×1,384=11,0728×1,384= 11,072
Books in boxes = 3×24=723×24= 72
Total books = 11,072+72=11,14411,072+72= 11,144