Name a strategy for solving multiplication or division problems.
Skip counting
Repeated addition
Tile array
Area model
7x8=?
56
This strategy uses a number line to solve equations
Skip counting
a number that only has two factors which are itself and one.
Prime number
Julia bought a Dog Man book and a fidget spinner. The book cost $20.The fidget spinner cost $10. How many more times more than the fidget spinner did the book cost?
2 times more.
20÷10=2
10x2=20
4x20=?
80
9x5=?
45
This strategy looks like a chocolate bar. It involves creating rows and columns inside a rectangle to visually represent an equation to solve the equation.
Tile Array
a number that has more factors in addition to one and itself.
Composite number
Janel has 2 rows of crayons in her 12- count crayon box. How many crayons are in each row?
-Write an equation with the answer.
12÷2=6
6 crayons in each row.
The blue table has 6 students and each student brought 6 pumpkins to school. How many pumpkins does the blue table have?
6x6=36
The blue table has 36 pumpkins.
32÷4=?
8
This strategy uses the LxW=A formula to solve equations.
Area model
Number 2 is an example of what kind of number?
Prime number
Tim is 12 years old. Tim's dad is 3 times older than Tim. How old is Tim's dad?
-write and solve a multiplication equation for the problem.
12x3=36
What are the factors of 5?
1,5
40÷8=?
5
This strategy uses a ratio table. An example of this strategy is 3x4= 4+4+4.
Repeated addition
Number 4 is an example of what kind of number?
Composite number
Mark has 10 toy cars. That is 2 times as many as his brother Kirk has. How many toy cars does Kirk have?
-write a division and a multiplication equation to solve the problem.
10÷K= 2
2xK=10