Mult & Div
I can skip count by 8 9 times.
8, 16, 24, 32, 40, 48, 56, 64, 72
There are 19 students in our class. Write a fraction to represent the number of females.
Pie, Puifai, Nami, Naki, Anna, Alin, Noopim, Pleng, Proud, Yumi, Yuuki, Satang, Geri 13/19
Add 5.8 + 4.1 =
9.9
A square shape has 4 columns and 4 rows. What is the area?
4 x 4 = 16
Round 43 to the nearest ten.
40 because 43 is closer to 40 than to 50.
100 / 10 900 / 10
800 / 10 700 / 10
10 90
80 70
Ms. Amy has 4 blue pens and 8 yellow pens. What fraction of the pens are blue?
4/12 or 1/3
Subtract $12.61 - $8.40
$4.21
If the width is 8 cm and the length is 10, then what is the perimeter?
8 + 8 = 16
10 + 10 = 20
20 + 16 = 36 square cm
56 + 97 =
153
81 divided by 9
9
9, 18, 27, 36, 45, 54, 63, 72, 81
7/16 + 9/16 =
16/16 = 1 whole
$25.37 + $46.50 =
$71.87
If the width is 6cm and the length is 7cm what is the area of the shape?
6 x 7 = 42 square cm
117 - 38
79
156 divided by 6.
6 x 2 = 12 6 x 20 = 120
6 x 6 = 36
120 + 36 = 145
6 x 26 = 156
7 3/5 - 5 2/5
2 1/5
Fred loves eating fruits. Fred paid $6.16 for bananas, $6.36 for apples, and $8.16 for grapes. In total, how much money did he spend?
$20.68
The perimeter of a shape is 48. Only 3 sides are labeled: 10cm, 9cm, and 15cm. What is the missing side?
10 + 9 + 15 = 34
48 - 34 = 14cm
Round 746 to the nearest 100.
700 because 746 is closer to 700 than 800
28 x 5
20 x 5 = 100
8 x 5 = 40
100 + 40 = 140
Ms. Toomer brought 40 cookies to school. Mrs. Toomer's class ate 1/2 of the cookies and Mrs. Smith's class ate 1/4 of the cookies. How many cookies are left?
40 split in 1/2 is 20.
40 split by 1/4 is 10.
40 - 20 - 10 = 10 cookies left
I purchased 3 cans of corn. Each can holds 7.2 ounces. How many ounces of corn did I buy? (Use repeated addition!)
7.2 + 7.2 = 14.4
14.4 + 7.2 = 21.6
Stiles saw a rectangular basketball court that has a perimeter of 72m and a width of 28m. What is the length, in meters, of the basketball court?
28 + 28 = 56
72 - 56 = 16
16 / 2 = 8m
672-495
177