Vocabulary
What are factors?
Numbers that are being multiplied
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how rows do i have ?
3
can you use a number line and skip counting to show multiplication
yes
show repeated addition for 5 x 2 = 10
5 + 5 = 10
where are the rows located on an array?
on the right
What is a product?
answer to a multiplication problem
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how many cloums do i have?
7
Skip count : 3, 6, _, _, _
9, 12, 15
Slove : 4 +4 +4 =?
4x 3 = 12
where are coulmns located on an array?
up and down
WHat is unknown?
a symbol that stands for anumber in an equation like a "?"
Draw 4 x 6 in an array?
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5 x 3 = 15 , how many jumps will i have on a number line?
5 jumps
How many is 6 groups of 3 ? write it in repeated addition
3+3+3+3+3+3 = 18
what direction does a row go?
across, like you are rowing a boat
an multiplication equation will have 2 _________
factors
Draw 3 x 5 =15 in an array
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3 x 3 = 9 , what will i skip count by ?
3
slove 8 + 8+ 8 + 8 +8 =?
5 x 8 = 40
what does the second number (5 ) in an array equation mean? 4 x 5
columns
2 x 5 = 5 x 2
muliplying numbers in any order and the product is the same
Commutative Property of Multiplication
how many columns wih 6 x 5 = 30 have?
5 columns
what does the second number mean on a number line? 4 x 2 = 8
write in repeated addition 6 x6 = 36
6 +6+6+6+6 +6 = 36
what does the first number (4) mean in an array equation?
4 x 5
rows