Create an expression - To find 72 x 9, I find 72 times 10 then remove one more group of 72.
(72x10) - (72x1)
Create an expression - To find 15 times 42, I multiply 10 times 42 and add it to 5 times 42.
(10x42)+(5x42)
True or False? - 85 x 23 = (85 x 20) - (85 x 3)
False
Solve - A box of milk holds 12 cartons. All of the kids at school are given a milk each day, and there are 345 kids at Montclair. How many cartons of milk does Montclair use every day?
29
Solve - (2x9)x8
144
768 ÷ 4
192
Solve - (6x8)x4
192
Fill in the blanks - 98 x 24 = (100 x 24) _ __________
- (2 x 24)
Solve - [(4x7)x8] - [3+(6x4)]
197
Solve - Five friends raked leaves all weekend, charging 15 dollars per house. If they raked 12 houses, how much money would each friend get?
36
Create an expression - To find 36 times 25, I multiply 36 times 10, and add it to another 36 times 10, then add 36 times 5.
(36x10) + (36x10) + (36x5)
Solve - 8 x (7 x 5)
280
Solve - Toni counted the number of balls on one layer of a box, 45. The box has 6 layers. How many balls can the box hold?
270
Create an expression - To find 38 x 11, I find 38 times 10 then add one more group of 38.
(38x10) + (38x1)
Create an expression - To find the volume of a box that has a 16 by 24 base and 31 layers, I multiply the dimensions of the base first then multiply by the number of layers.
(16x24)x31
256 ÷ 8
32
Solve - 4 friends created a business selling rare pokemon cards. Each card sells for 14 dollars, and they sold 37 cards. If they share the money equally, how much would each friend get?
$129.5
Solve - 132 kids in the summer camp are going together on a trip. Each van can hold 8 people, so how many vans are needed?
17
Solve - (7x9)x6
378
Create an expression - To find 24 x 35, I double and halve.
12 x 70
Fill in the blanks - - 120 x 14 = _____ x 7
240
Fill in the blanks - 21x103 = (21x100) _ _______
- (21x3)
Create an expression - To find the volume of a box that has a 16 by 24 base and 31 layers, I multiply the dimensions of the base first then multiply by the number of layers.
(16x24)x31
Solve - [(9x2)x5] + [8+(4x7)] + [3x(9x0)]
126
Solve - 3x(4x7)+1x(8x2)+5x(7x3)=
205
Fill in the blanks - _____ x 46 = 16 x 23
8
True or False? - 17 x 25 = (10x25) + (7x25)
True
Solve - A box holds 405 baseballs. There are 15 balls in each layer, so how many layers does the box have?
27
True or False? - 62 x 15 = (62 x 15) + (2 x 15)
False
What is the volume formula?
V=(LxW)xH