Evaluate the Expression
5 x (35 x 2)
350
True or False? Explain.
18 x 120 = 9 x 240
True, Half and Double
To find 15 x 8, I double and halve
30 x 4
What is the volume of a 4 x 6 x 3 rectangular prism?
72 cubic units
Four friends made 57 cookies and shared them equally. How many cookies did each friend get?
14 and 1/4 cookies.
(17 x 2) x 5
170
True or False? Explain
(3 x 4) x 6 = 3 x (4 x 6)
True, you can do multiplication in any order
To find 9 x 26, I find 10 times 26 and subtract 1 group of 26
(10 x 26) - (1 x 26)
What is the volume of a 6 x 6 x 3 rectangular prism?
108 cubic units
There are 57 kids in the After School Club. Tomorrow they are going to the park. If each car can carry 4 kids, how many cars will they need to get to the park?
15 Cars
(100 x 62) - (1 x 62)
6138
True or False? Explain.
(2 x 5) x 4 = 2 x ( 5 x 4)
True, you can do multiplication in any order.
To find 32 x 9, I find 32 times 10 and remove 1 group of 32
(32 x 10) - (1 x 32)
What is the volume of a 4 x 3 x 7 rectangular prism?
84 cubic units
Andrew paid $57.00 for 4 supersize pizzas. How much did each pizza cost?
(50 x 64) - (1 x 64)
3136
True or False? Explain.
67 x 18 = (67 x 20) - (67 x 2)
True, you can take away 2 groups of 67 from 20 groups of 67.
How can I find the volume of a box that has a 18 by 21 base and 27 layers?
18 x 21 x 37
What is the volume of a 12 x 2 x 4 rectangular prism?
96 cubic units
Four friends washed cars all day on Saturday and earned $66.00. They shared the work equally, so they want to share the money they earned equally. How much money will each person get?
$16.50
2 x (5 x 4) + 5 x (3 x 4) + 2 x (5 x 8)
180
True or False? Explain.
39 x 13 = (40 x 13) + (1 x 13)
False, you need to subtract a group of 13.
The sum of 8 and 13 multiplied by 7
(8 + 13) x 7
What is the volume of a rectangular prism that has a length of 8, a width of 7, and has 4 layers?
224 cubic units
There are 100 people on the swim team. Today, they are going to a big swim meet on the other side of town. If each minivan can take 15 people, how many minivans will they need to take everyone on the team?
7 vans