Vocabulary
The sign that shows two things are the same amount.
The equal sign '='
What does this show?
xxxxxxx
xxxxxxx
An array that shows 2 rows of 7.
Kaitlyn has 4 friends who have 10 fingers each. How many fingers do her friends have in total?
What would be the equation that represents with worded question?
4x10=40
Is 2x5=5x2?
Explain why or why not.
Because of the Commutative Property of Multiplication.
The name of the numbers that you multiply together in a multiplication sum.
Factors
What is this and what does it show?
ooo
ooo
ooo
ooo
An array that shows 4 rows of 3.
Mr O'Neill bought bought a package of 6 M&M's for each of his 5 friends. How many M&M's are there in total?
What would be the equation that represents with worded question?
5x6=30
Show (with your body/hands) the difference between a row and a column.
You should motion side to side with your hands for rows, and up and down with your hands for columns.
The answers to a multiplication equation.
How many rows are in this array?
xxxxx
xxxxx
xxxxx
xxxxx
4 rows
Children sit in 2 rows of 9. Erin says, “We make 2 equal groups.” Vinny says, “We make 9 equal groups.”
Who is correct? Explain how you know using numbers and words.
Both people are correct, 2x9=9x2.
What do the letters in BIDMAS stand for? (Don't worry if you don't know 'I').
Brackets
Indices
Division
Multiplication
Addition
Subtraction
The picture that arranges items in rows and columns.
An array.
Write a multiplication equation for this array:
00000
00000
00000
3x5=15
Rose and her 7 friends each have 4 pencils. How many pencils do they have altogether?
What would be the equation that represents with worded question?
8x4=32
What do we use BIDMAS for?
We use BIDMAS to remember the order in which mathematical operations '(), /, x, +, -' should be performed to ensure accurate results.
The property that tells me that I can multiply two factors in any order and always get the same product.
The Commutative Property of Multiplication.
Write two multiplication equations that represent this array:
ooooooooo
ooooooooo
ooooooooo
3x9=27 and 9x3=27
Eden is packing gift bags for a party.
- She puts 2 chocolates in each small box.
- She places 3 small boxes in each gift bag.
- She prepares 4 gift bags for the party.
How many chocolates does Eden pack in total?
How would your present this as an equation?
What property of multiplication applies to this equation?
2x(3x4)=24
OR
(2x3)x4=24
Associative Property of Multiplication
What is the answer to this number sentence?
10-(2x6)/2=?
Explain how you got your answer.
10-(2x6)/2=
10-12/2=
10-6=
=4