Definitions :
Definitions Product – the answer to a multiplication problem.
Times – multiply.
Word Phrases :
Word Phrases The product of 5 and a number c
Seven time a number t
6 multiplied by a number d 5 x c or 5c 7 x t or 7t 6 x d or 6d
Placement Rule :
Placement Rule Always write the variable after the number. b x 6 write 6b
Write an algebraic expression :
Write an algebraic expression 24 multiplied by a number
Product of 32 and a number
300 times a number 24n 32n 300n
Using parentheses :
Using parentheses 4 x b
4 (b)
(4) b
(4b)
Solving One Step Equations using Multiplication and Division :
Solving One Step Equations using Multiplication and Division Step 1 – look at the equations to see what operations needs to be done to get the variable by itself and perform the OPPOSITE OPERATION 2x = 10 To get the x by itself the OPPOSITE of multiplication is division _____ _____
2 2 2 / 2 = 1 so you can cross it out. The x is left. 10 / 2 = 5 x = 5
Solving One Step Equations using Multiplication and Division :
Solving One Step Equations using Multiplication and Division 5x = 20 5 5 x = 4 20 / 5
x x x x x x x x x x x x x x x x x x x x There are 4 groups of 5
So, 20 / 5 = 4
Try These on Your Own :
Try These on Your Own x + 7 = 10 x + 10 = 15 x – 4 = 12 x - 10 = 23 3 16 5 33
Try These on Your Own :
Try These on Your Own 3x = 12
4x = 20
2x = 12
5x = 10 4 5 6 2