Order of Operations
24 + 3 × 6 - 10 =
32
40 x 30 =
1,200
640 ÷ 8
80
A school library has 24 shelves, and each shelf can hold 35 books. How many books can the library hold in total?
The library can hold 840 books.
What is the answer of a multiplication problem called?
Product
(48 - 12) ÷ 3 + 7 =
19
600 x 8 =
4,800
4,200 ÷ 70 =
60
A school orders 720 pencils for its students. If each student receives 16 pencils, how many students will get pencils?
What is the answer of a division problem called?
Quotient
5 + 2 × (8 - 6) - 32 =
0
Do the following problem in an unmarked array (box method):
54 × 89 =
What step comes after this:
50 x 80
50 x 9
80 x 4
Then SOLVE!
4 x 9 comes next
4,806
728 ÷ 56 =
13
A farmer has 658 apples to pack into boxes. If each box can hold 24 apples, how many full boxes can the farmer pack?
What is the number being divided called?
Dividend
36 ÷ (4 + 5) × [3 + (6 - 4)]=
20
92 × 76 =
6,992
Do partial quotient for this problem:
624 ÷ 24 =
What comes next?
480 ÷ 24 = 20
624 - 480 = 144
144 ÷ 24 = 6
20 + 6 = 26
A bakery sells 156 cupcakes every day. How many cupcakes will they sell in 28 days?
The bakery will sell 4,368 cupcakes in 28 days.
Divisor
63 - [(15 + 3) × 7] =
88
731 × 58 =
42,398
1,176 ÷ 42 =
28
The pizza shop is having a special deal where each pizza is cut into 6 slices. If you order 155 slices for your party, how many whole pizzas will you need to order?
We will need 25 whole boxes with 5 more slices needed, so we will need to buy 26 boxes of pizzas.
Define "factors" and "multiples".
Factors - numbers that are multiplied to get a product (3 x 4 = 12, 3 and 4 are factors)
Multiples - numbers you get when you multiply a certain number by that same number. (multiples of 3 are 3, 6, 9, 12, 15, etc.)