Adding it Up!
12+14=
26
18-5=
13
Which number sentence is true?
a. 8 x 8 = 8+8
b. 9 +1 = 9 x 1
c. 12 x 3 = 3 x 12
d. 0 x 9 = 0 + 9
c.
Which property of multiplication does this equation show?
4 x 6 = 6 x 4
Commutative Property of Multiplication
Name the expression that this array represents.
X X X X X
X X X X X
X X X X X
X X X X X
4 x 5=
278+549=
827
346-98=
248
If n = 8 what is 72 divided by n?
9
What property of multiplication does this equation show?
1 x 5 =5
Identity Property of Multiplication
Write equations that show 12 ÷ 3 using repeated subtraction.
12 - 3 = 9
9 - 3 = 6
6 - 3 = 3
3 - 3 = 0
300+428+112=
840
1872-91=
1,781
Johnny bought 4 boxes of girl scout cookies. Each box has 16 cookies. He ate 8 cookies. How many cookies does he have left?
56 cookies
How can you use the Distributive Property to find the product of 2 x 58 ?
Solve.
(2 x 50) + (2 x 8)= 116
What division fact does the array show?
o o o o
o o o o
o o o o
o o o o
16 / 4 = 4
Rango the leopard gecko ate 234 crickets last year. This year he has eaten only 729 crickets. How many crickets has Rango eaten in the last two years?
963 crickets
At Isabel's school there are 371 students in 3rd grade, 281 students in 4th grade. How many more students were in 3rd grade than 4th?
90 more students
Tim is saving money to buy a pair of hockey skates. For the past 6 weeks, he has saved $7 each week. How much money has Tim saved?
$42
(3 x 5) x 4 = 3 x (5 x 4)
What property is illustrated above?
Associative Property of Multiplication
Alexis had 32 stickers. She divided them evenly between her 4 friends. How many stickers did each friend receive? Draw a model to show how Alexis grouped the stickers to figure out how many each friend received.
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Last year OES students sold 456 boxes of candy bars. The year before students sold 545 boxes. This year students sold 678 boxes of candy bars. How many boxes of candy bars did the OES students sell in the last three years?
1,679 boxes of candy bars
A grocery store ordered 243 bottles of regular soda, 450 bottles of diet and 795 bottles of water. How many more bottles of water were ordered than regular and diet soda combined?
2 more bottles of water were ordered
Jenna has 42 photos of her friends. She puts 6 photos on each page in her album. How many pages does she need to put all 42 photos in her album?
7 pages
Which equation shows distributive property of multiplication for the following equation? 2 x 38
A. (3 x 8) + (2 x 8)
B. (3 + 8) + (2 + 8)
C. (2 x 30) + (2 x 8)
D. (2 + 30) + (2 + 8)
C. (2 x 30) + (2 X 8)=76
Carson baked 20 cupcakes for his friends. He gave 4 friends the same number of cupcakes. How many cupcakes did each friend get? Draw a model to represent your work.
20 - 4 = 16
16 - 4 = 12
12 - 4 = 8
8 - 4 = 4
4 - 4 = 0
Each friend gets 5 cupcakes