6.1 & 5.7 6.1 – Variables and Expressions 5.7 – Multiplying 3-Digit by 1-Digit Numbers

6.1 – Variables and Expressions Value of 15 + D 15 + D D D is a variable. It is a symbol that stands for a number. 15 + D is an algebraic expression.

Variable n A variable is a symbol that stands for a number. Algebraic expression - A Tae Kwon Do class has 23 people. If n more people sign up, how many people will be taking the class? 23 + n n

Practice Fill in the table: C + 8 C

Practice Fill in the table: 7 X H H

Practice Fill in the table: 40 55 62 X X – 5

5.7 – Multiplying 3-Digit by 1-Digit Numbers Review: Multiply 2-Digit by 1-digit Numbers: 45 x 6 = 56 x 4 =

5.7 Maryam has 7 jars she wants to fill with pennies. If she puts 452 pennies in each jar, how many pennies does she have all together?

5.7 – Practice 453 x 3 = 895 x 6 = 923 x 4 =

On your own Create a multiplication story problem using the numbers 234 and 5 and then solve.

Homework Page 114 - #7-14 Page 128 = #6, #7, and #11