Solve in Groups (Standard Write and Interpret numerical expressions )

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Presentation transcript:

Solve in Groups (Standard Write and Interpret numerical expressions ) Day 1 Solve in Groups (Standard Write and Interpret numerical expressions ) Represent answer with a mathematical model and with a number 12 + 24 24 + 12 22 – 10 10 – 22 3 X 5 = 5 x 3 = 12 6 6 12

Questions Does it matter what order I do addition in? Why or why not? Does it matter what order I do subtraction in? Why or why not? Does it matter what order I do multiplication in? Why or why not? Does it matter what order I do division in? Why or why not?

What is the relationship between operations? Addition to subtraction Addition to multiplication Addition to division Subtraction to division Subtraction to multiplication Multiplication to division Discuss in your groups and be prepared to discuss as a class.

Standard- Use parentheses, brackets, or braces in numerical expression, and evaluate expressions with these symbols Please solve the following problem and explain the order in which you would solve the problem. Based on the previous lesson be prepared to defend the order in which you solve the problem. 2 X 8 + 34 -10 2

Questions Did everyone agree in the group on the order to solve the problem? Did solving the problem in a different order result in a different answer. Why or why not?

Standard- Use parentheses, brackets, or braces in numerical expression, and evaluate expressions with these symbols Directions: Order of Operations Please solve the following problems using the directions below as your guide. Solve operations inside of brackets first, then those in parenthesis, followed by exponents , then multiply and divide from left to right, and finally add or subtract from left to right. 2 X 8 + (34 -10) 2 2 X 8 + 34 - (10 2) 2 X (8 + 34) – (10 2)

Questions Did you get the same answer for each problem? Why or why not? Discuss in your group and be prepared to discuss your answer as a class.