Identifying Numbers
Adding & Subtracting Rational Numbers
Previous Understandings
Evaluating Expressions
Identifying Properties
100
1.Write down the types of numbers that fall under rational numbers
Positives, Negatives, Fractions, Decimals, and 0
100
2. An equation is shown.
29.25 + (−47.5)
What is the value of the expression?
-18.25
100
3. Juan spent $9.49 on school supplies. He spent $1.59 on pencils, twice that much on pens, and the rest on highlighters. How many dollars did Juan spend on highlighters?
$4.72
100
4. Identify each letter of PEMDAS?
Parenthesis
Exponent
Multiply
Divide
Add
Subtract
100
5. What are the 3 properties to interpret expressions?
Commutative, Associative, and Distributive
200
6. Write down the types of numbers that fall under Integers?
Positives Negatives and 0
200
7. An equation is shown.
−4.75 + 2.25
What is the value of the expression?
-2.5
200
8. Cameron wanted to buy large cookies for the 24 children in his class. Each cookie costs $0.25. How much change will he receive from a $10.00 bill?
$4
200
9. What is the value of this expression when z = 7?
5z + 9
44
200
10. Which property is the following expression
(3)(2)5=3(2)(5)
Associative
300
11. Write 5 numbers that are whole numbers
(0,1,2,3...etc)
300
12. An equation is shown.
-42.75 + 43.25
What is the value of the expression?
.5
300
13. Maddy received $60 for her birthday and decided to go shopping. She bought 2 shirts priced at $12.25 each, a necklace for $8.50, and a pair of shoes for $22.75. If she gave the cashier all of her birthday money, how many dollars in change did she get back?
$4.25
300
14. What is the value of the expression 5x − 2 when x = 3/4
1.75
300
15. Which property is the following expression
3.5+6.2+8.9=8.9+3.5+6.2
Commutative
400
16. Which numbers is NOT a natural Number?
A. 1
B. 5
C. 89
D. 0
D. 0
400
17. An equation is shown.
−14.25 + 12.25
What is the value of the expression?
-2
400
18. Janice went shopping at the mall. At the first store, she spent half her money. At the second store, she spent $2.50. If she had $6.75 after the second store, how many dollars did she start with?
$18.5
400
19. What is the value of 3(ab)2 if a = 2 and b = −1?
12
400
20. Which property is the following expression?
-2(3+6)=-2(3)+-2(6)
Distributive
500
21. Which Venn diagram shows an accurate relationship among Whole Numbers, Integers, Natural Numbers, and Rational Numbers?
A.
B.
C.
D.
B.
500
22. An equation is shown.
-4.5 + 12.75
What is the value of the expression?
8.25
500
23. Maya has 120 caramel apples to sell. Each caramel apple is covered with one topping.
• of the caramel apples are covered with peanuts.
• are covered with chocolate chips.
• 1/10 are covered with coconut.
• The rest are covered with sprinkles.
How many caramel apples are covered with sprinkles?
44
500
24. If x = 6 and y = 3, what is the value of +
?
1
500
25. What 2 operations do not follow the commutative and associative property?
Subtraction & Division