- I can use parentheses and brackets in expressions.
QUESTION TIME! (5 min. Brain exercise where you collaborate with others)
- Ty says that 16 - (4 - 4) = 8. Jade says it equals 12. Who do you agree with?
- Do these two equations have the same solution? Why or why not? (18 + 5) x 2 AND 18 + (5 x 2)
- Write a numerical expression with at least two operations so that when evaluated it equals 18
LEARN:
1) Video Lessons:
2) Parentheses, Brackets, and Braces in Expressions – Step-by-Step Lesson (Paper Version)
3) Guided Lesson (Explanation/Answers)
4) Order of Operations (Make sure to read everything and take the practice quiz at the end)
PRACTICE:
1) Practice problems (Paper version)
2) Simplify expressions using order of operations and parentheses- IXL
What numbers can you make with 1, 2, 3, and 4? Using the operations of addition, subtraction, and multiplication, we can make many different numbers. For example, we can write 13 as 13=(3×4)+1.
You can use parentheses as many times as you like and each of the numbers 1, 2, 3, and 4 can be used at most once.
- Find two different ways to make 9.
- Find two different ways to make 7.
- Find two different ways to make 11.
- Can you make 26?
Take edmodo quiz!