What is an array?
A multiplication model with equal groups organized in rows and columns.
What repeated addition problem use to describe the array below.
What is
6+6+6+6 = 24
or
4+4+4+4+4+4 = 24
How many different arrays could be made with 14 muffins?
4 different arrays
1 x 14
2 x 7
7 x 2
14 x 1
What is the equation for the following image.
What is 2 x 4 = 8 donuts
Do arrays need equal objects in each row and column?
Yes
What is a product?
What are the results when two numbers are multiplied together.
What repeated addition problem does this array represent?
What is
4+4+4 = 12
or
3+3+3+3 = 12
There were 8 spiders on the playground. Each spider made 3 webs. How many spider webs in all?
What is 24 spider webs
What array does this model show?
What is 5 x 4 = 20
Can arrays be used for Division problems?
Yes, you can separate your columns into equal groups
what are one of two or more numbers that are multiplied together to find a product.
What is a factor?
Write the repeated addition equation.
What is 5 + 5+ 5
There are 4 rows of elephants with 4 elephants in each row. How many elephants are there in total?
What is 4 x 4 = 16
This model shows what multiplication equation?
What is 6 x 3 = 18
Divide this array of 30 stars into 5 equal groups. How many stars are in each group? (30 / 5 = _)
6 stars are in each group
The answer in a multiplication equation is called the...?
Product
Say the repeated addition problem for the following equation:
9 x 3 = ______
What is 9+9+9 or 3+3+3+3+3+3+3+3+3 = 21
Abby made 4 rows of 12 chairs. How many total chairs?
What is 4 x 12 = 48 total chairs
Look at the following array. What equation does the model represent?
What is 7 x 5 = 35
Divide this array into 6 equal groups. Give the equation and answer (_ /_=_).
6 x 9 = 54
What is repeated addition?
Adding the same number multiple times in order to find the total.
Say the repeated addition problem for the following equation.
2 x 6 =
There are 3 boxes. Each has 30 colored pencils. How many total colored pencils altogether.
What is 3 x 30 = 90
What array is shown in the model below?
What is 5 x 6 = 30
Factor the number 24.