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.
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=20
278+549=
827
346-98=
248
If n = 8 what is 72 divided by n?
9
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
Mrs. P bought 5 boxes of girl scout cookies. Each box has 16 cookies. She ate 8 cookies. How many cookies does she have left?
72 cookies
What multiplication fact does the array show?
o o o o
o o o o
o o o o
o o o o
16 = 4 X 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
Ms. C is saving money to buy a pair of ice skates. For the past 6 weeks, she has saved $7 each week. How much money has Ms. C saved?
$42
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.
* * * * * * * *
* * * * * * * *
* * * * * * * *
* * * * * * * *
Last year the Girlscouts sold 456 boxes of candy bars. The year before they sold 545 boxes. This year the Girlscouts sold 678 boxes of candy bars. How many boxes of candy bars did the Girlscouts 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 soda and 795 bottles of water. How many more bottles of water were ordered than regular and diet soda combined?
102 more bottles of water were ordered
Mr. Stocklin has 54 photos of his friends. He puts 6 photos on each page in his album. How many pages does he need to put all 54 photos in his album?
9 pages
Mrs. A baked 20 cupcakes for her students. She gave 4 students the same number of cupcakes. How many cupcakes did each student 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
Repeated subtraction
or 20 / 4 = 5