(9 x 2) x 5 =
90
(99 x 497) + (1 x 497)
= 100 x 497
True! They both equal 49,700
To find 15 x 18, I can double one number and half the other before multiplying
270 (show the correct work)
What is the volume of a
2 x 8 x 5 rectangular prism?
80
Four friends made 57 cookies and shared them equally. How many cookies did each friend get?
14 cookies, remainder 1
5 x (13 x 2) =
130
98 x 36 =
(100 x 36) - (2 x 36)
True! They both equal 3,528
To find 9 x 26, I find 10 times 26 and subtract 1 group of 26
234 (show the correct work)
What is the volume of a
3 x 5 x 6 rectangular prism?
90
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
50 x 64 - (1 x 64) =
3,136
18 x 120 = 9 x 240
True! They both equal 2,160
To find 15 x 32, I multiply 10 x 32 and add it to 5 x 32
480 (show the correct work)
Write and solve an equation to find the volume.
5 x 6 x 2 = 60
Andrew paid $57.00 for 4 large pizzas. How much did each pizza cost?
$14.25 per pizza
2 x (6 x 4) + 2 x (3 x 4) + 2 x (6 x 3) =
108
(3 x 4) x 6 = 3 x (4 x 6)
True! They both equal 72
To find 42 x 25, I can double one number and half the other before multiplying
1,050 (show the correct work)
Write and solve an equation to find the volume.
6 x 4 x 5 = 120
11 remainder 1
10 groups of 3 and 1 group of 4
(2 x 7) x (32 รท 2) =
224
58 x 17 = (60 x 17) + (2 x 17)
False!
58 x 17 = 986
(60 x 17) + (2 x 17) = 1,054
To find the volume of a box that has a 19 by 22 base and 27 layers, I multiply the dimensions of the base by the height.
11,286 (show the correct work)
Brad counted the number of balls in one layer of a box, and found out there were 24. The box has 9 layers. How many balls can the box hold in all?
216 balls
Brandon and his three friends raked leaves every weekend for a month. By the end of the month, they earned $93.00. They paid $4.00 to Brandon's little brother for helping out on the last day. Then the four friends divided the rest of the money equally. How much money did each friend get?
$22.25