Writing Expressions
Multiply 7 times 8 and then add 9
(7x8)+9
Find the volume of a cube whose length is 4, width is 3, and height is 2.
(4x3)x2= 24
5x(15x2)
150
Four friends made 49 cupcakes and shared them equally. How many cupcakes did each friend get?
12 1/4 cupcakes
Multiple 3 times 12 and then multiplied that product by 5
(3x12)x5
4 layers of 3-by-5 cubes
60
2x(2x6)+2x(2x4)+2x(6x4)
88
There are 67 kids in the After-School Club. Tomorrow they are going to the zoo. If each car can carry 4 kids, how many cars will they need to get to the zoo?
17 Cars
To find the volume of a box that has a 12 by 21 base and 18 layers, I first find the dimensions of the base and then multiply it by the number of layers
(12x21)x18
4 layers of 3-by-4 cubes
48
68x18=(68x20)-(68x2)
True, both sides have 18 groups of 68
Emma and her 3 friends did chores for Emma’s dad on Saturday. They earned $55.00 and split it evenly. How much money did each of the 4 children get?
$13.75
To find 23 times 8, I double and halve.
23x8=46x4
The cube has a base of 8 and a height of 8, what is the volume?
64
___ x26=14x13=____
7x26=14x13=182
Mr. Madison needs 175 granola bars for the 5th grade field trip. The bars come in boxes of 10. How many boxes will he need to buy?
18 boxes
To find 24 times 17, I multiply 20 times 17 and add it to 4 times 17.
24x17=(20x17)+(4x17)
The cube has a base of 12 and a height of 9, what is the volume?
108
43x98=(__x43)-(2x43)=___
47x98=(100x47)-(2x47)=4214
A box holds 363 balls. Each layer has 33 balls. How many layers does the box have?