Order of Operations
Solve.
(9 + 3) ÷ 2
What is 6?
In my number sentence, if I multiply 1 to another factor, my product is the same as the factor.
Which multiplication property am I?
Identity Property
Example: 1 x 15 = 15
Which of the following is an example of the distributive property?
A. 3 x 37 = (3 x 30) + (3 x 7)
B. 3 x 37 = 3 x 30 + 7
C. 3 x 37 = (3 x 30) x (4 + 7)
D. 3 x 37 = 3 x 30 x 7
A. 3 x 37 = (3 x 30) + (3 x 7)
Solve using any multiplication strategy.
23 x 45
1,035
Grace started her own landscaping business. She charges $6 an hour for mowing lawns and $11 per hour for pulling weeds. In September she mowed lawns for 63 hours and pulled weeds for 9 hours. How much money did she earn in September?
You must label your answer.
$477
Solve.
(2 × 5) - 4
6
In my number sentence, I can multiply two factors first, then multiply a third factor. Or I can multiply the other factors first and then multiply it to the first factor.
Which multiplication property am I?
Associative Property
Example:(5 x 6) x 2 = 60, 5 x (6 x 2) = 60
Solve using the distributive property.
4 x (5 + 2)
(4 x 5) + (4 x 2) = 28
Solve using any division strategy.
520 ÷ 8 =
65
Harvey wants to buy a gift for his father that costs $35.92 and a gift for his sister that costs $52.08. He has saved $16.28. How much more does he need to save in order to buy the gifts?
You must label your answer.
$71.72
Solve.
36 - (4 + 8) ÷ 4
33
In my multiplication sentence, if I move my factors and have them switch places but my product remains the same, which Multiplication Property am I?
Commutative Property
Example: 2 x 6 = 12, 6 x 2 = 12
Solve using the distributive property:
10 x (4 + 7) =
(10 x 4) + (10 x 7) = 110
A law firm ordered 57 boxes of paper clips. There were 52 paper clips in each box. How many paper clips did the law firm order in all?
You must label your answer.
2,964 paper clips
On Monday, there was no snow on the ground in Buffalo, New York. On Tuesday, three inches of snow fell. On Wednesday, a half an inch of snow melted. On Thursday, two and a half more inches fell. On Friday, another inch and a half melted. How much snow was left on the ground Friday night?
You must label your answer.
3.5 inches of snow
Solve.
50 - 5 × (27 ÷ 3)
5
Rewrite this multiplication fact using the Commutative Property of Multiplication and give the product.
7 x 2 x 3
Any of the following possibilities is correct:
7 x 3 x 2
3 x 7 x 2
3 x 2 x 7
2 x 3 x 7
2 x 7 x 3
Product: 42
Solve using the Distributive Property:
3 x 34 =
Decompose 34 to 30+4.
3 x (30 + 4)
(3 x 30) + (3 x 4)
102
Find the quotient.
564 ÷ 8 =
70 r 4
There are 357 apples to be packed into boxes. Each box holds 12 apples. How many boxes will be completely filled?
You must label your answer.
29 boxes
Solve.
15 + 24 ÷ (8 - 2)
19
Rewrite the following expression using the Associative Property and find the product.
(4 x 2) x 6
4 x (2 x 6) = 48
Solve using the Distributive Property:
5 x 12 =
Decompose 12 to 10 + 2.
5 x (10 + 2)
(5 x 10) + (5 x 2)
60
Sally scooped out forty five pieces of hard candy to buy at the store. She wants to divide the candy evenly among eighteen people. How many pieces of candy will each person get?
You must label your answer.
2 pieces of candy
On Monday, 199 students went on a trip to the zoo. All 4 buses were filled and 7 students had to travel in cars. How many students were in each bus ?
You must label your answer.
48 students