Evaluate (Solve)
9 × (12 × 3) =
324
Which measurement is this expression finding?
(6 x 5) x 7
Volume
23 x 14 = 46 x 7
True
Create an expression.
To find 15 x 32, I multiply 10 times 32 and add it to 5 times 32.
(10 x 32) + (5 x 32)
43 doughnuts are being placed in boxes of 7 for the bake sale. How many full boxes of 7 can they make?
6 full boxes
(8 × 2) × 5
80
How can I find the volume of a box that has a 12-by-23 base and 9 layers?
(12 x 23) x 9
53 x 99 = (53 x 100) + (1 x 53)
False
Create an expression.
To find 19 x 6, I find 20 x 6 and take away one group of 6.
(20 x 6) - (1 x 6)
A group of 56 is taking a trip in vans that hold 9 passengers each. How many vans do they need for all 56 people?
6 vans
2 × (6 × 3) + 2 × (3 × 3) + 2 × (5 × 4) =
Brad counted the 22 balls in one layer. The box has 7 layers. How many balls can the box hold?
154 baseballs
To solve 98 x 47, Pilar multiplies 100 by 47 and then subtracts two groups of 47.
True
DAILY DOUBLE!
Create an expression.
To find 49 x 73, I multiply 73 times 50 and take off one group of 73.
(73 x 50) - (1 x 73)
Eighty-nine kids showed up for the first soccer practice. The coaches organized them into groups of 4 for warm-up exercises. How many groups were there?
23 groups
(50 × 47) − (1 × 47) =
2303
DAILY DOUBLE!
Brad filled a box with 12 rows of 5 baseballs each. A crate hold 8 boxes. How many balls in the crate?
480 baseballs
(10 × 8) × 32 = 8 × (32 × 10)
True
Create an expression.
To solve 14 x 15, John doubles and halves.
7 x 30
We spent $45 dollars on tickets for 6 people at the movies. How much does each person pay for their ticket?
$7.50 per ticket
3626
Which measurement is this expression finding? Then, solve.
(4 x (12 x 4)) + (2 x (5 x 3))
Surface area
222
39 × 13 = (39 × 13) + (1 × 13)
False
Create an expression.
To solve 8 x 13, Keiko doubles, then doubles, then doubles again.
(13 x 2) x 2 x 2
Jamal and three of his friends raked leaves every weekend for a month. By the end of the month, they earned $91.00. They paid $4.00 to Jamal’s little brother for helping out a little on the last day. Then the four friends divided the rest of the money equally. How much did each friend get?
$21.75