Multiply It
326X4
1,304
There are 8 rows with 42 seats in each row. Which equation can be used to find the total number of seats?
42x8
: Estimate 487 × 6 by rounding 487 to the nearest hundred.
About 3,000
A teacher has 6 boxes of crayons. Each box contains 24 crayons. How many crayons does the teacher have altogether?
144 crayons
: A class has 22 students. Each student gets 3 pencils. How many pencils are needed?
66 pencils
452x7
3,164
A bakery has 36 boxes with 9 muffins in each box. Which equation can be used to find the total number of muffins?
36x9
A student solves 3,198 × 6 and gets 19,188. Is the answer reasonable? Explain.
Yes. 3,198 rounds to about 3,200.
3,200 × 6 = 19,200, which is close to 19,188.
A store sells 317 notebooks each week. How many notebooks will the store sell in 4 weeks?
1,268 notebooks
A bakery makes 246 muffins each day. How many muffins does it make in 5 days?
1,230 muffins
2,105x6
12,630
There are 7 packs with 125 pencils in each pack. Which equation can be used to find the total number of pencils?
7 × 125
About how much is 602 × 5?
About 3,000
A farmer puts 125 apples in each basket. If the farmer fills 8 baskets, how many apples are there altogether?
1,000 apples
A teacher buys 5 packs of markers with 18 markers in each pack. She also buys 4 packs of pencils with 24 pencils in each pack. How many markers and pencils does she buy altogether?
Answer:
5 × 18 = 90 markers
4 × 24 = 96 pencils
90 + 96 = 186 items
3,2428x7
23,996
A theater has 48 rows with 12 seats in each row. Which equation represents the situation?
48 × 12
A student says 425 × 7 = 2,975. Use estimation to decide whether the answer is reasonable.
Yes. 425 × 7 = 2,975, and 400 × 7 = 2,800, so the answer is reasonable.
A school buys 7 cases of water. Each case contains 48 bottles. How many bottles does the school buy?
336 bottles
Dane has 6 pages with 15 stamps on each page and 9 pages with 20 stamps on each page. He gives 25 stamps to a friend. How many stamps does Dane have left?
6 × 15 = 90
9 × 20 = 180
90 + 180 = 270
270 − 25 = 245 stamps
5,072x8
40,576
A camp has 24 groups with 115 students in each group. Which equation could be used to find the total number of students?
24 × 115
A student solves 2,398 × 8 and gets 5,907. Is the answer reasonable? Explain.
No. 2,398 rounds to about 2,400.
2,400 × 8 = 19,200, which is much larger than 5,907.
A stadium has 36 sections. Each section has 125 seats. How many seats are there in the stadium?
4,500 seats
A school prepares 125 gift bags. Each bag contains 3 pencils and 2 notebooks. How many total items are needed for all of the gift bags?
3 + 2 = 5 items per bag
125 × 5 = 625 items