Warm-Up
10+4
14
What is an expression?
a number sentence with at least two numbers and one operation (ex: 7x4)
How many crows did Noah see?
15
2x6=?
12
There are 3 boxes. Each box has 4 pencils. How many pencils are there in all?
12 pencils
10-3
7
What is an equation?
a number sentence wit h at least two numbers, one operation, AND a solution (ex: 7x4=28)
How many ducks and sparrows were seen?
45
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ooooo
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3x5=15
Make an array to represent 7x2
ooooooo
ooooooo
7+8
15
What is a factor?
a number that is multiplied by another number in a multiplication problem
How many more sparrows than roadrunners did Noah see?
11
Make a drawing to represent 6x4
[oooo] [oooo]
[oooo] [oooo]
[oooo] [oooo]
[oooooooo]
[oooooooo]
[oooooooo]
3x8=24
13+18
What is a product?
the solution to a multiplication problem
How many more squirrels than ducks were seen?
20
[3][3][3][3][3][3]
3x6=18
Make a diagram to represent 9x5
[9][9][9][9][9]
42-17
25
What is a scaled graph?
a graph counting by a number other than one
How many birds did Noah seen in all?
78
10x?=40
4
There are 40 people at an event. They are sitting in groups of 8. How many groups are there? Show your work.
8 x ? = 40
? = 5