Share Multiplication Review (Lesson 8 & 9 focused)
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What does the keyword "each" tell us to do?
multiply
What is one way I could use grouping to find the product of 5, 2, and 8?
(5x2)x8 or 5x(2x8) or (5x8)x2
Is 2 x 7 x 5 = 80?
NO, it is equal to 70.
Will you get the same product of 9 x 3 x 4 if you group it (9x3)x4 or (3x4)x9?
Yes because you get the same product when you switch around the factors.
2 x 9 x 5 = ?
90
3 x 3 x 7
42
3 x 8 x 2
48
Trey buys 3 boxes of lollipops. Each box has 4 bags with the lollipops inside. Each bag has 4 lollipops. How many lollipops does Trey have in all?
48 lollipops
5 x 30 = ?
150
2 x 40 x 3 = ?
240
60 x 2 x 4 = ?
480
There are 5 grades in the elementary school. Each grade has three classrooms of students. Each classroom has 20 students. How many students are in the elementary school?
300 students
True or false: 3 x 9 = 27
True
True or false: 70 x 2 x 5 = 710
False (700)
True or false: This isn't a math question, but Octopus have 3 hearts.
True
