Grade 6 Unit 4 Assessment Expressions 1. Evaluate. 23 β 7 + 2(4 β 1) A
7
B
19
C
21
D
9
2. Simplify. 32 Β· π 2 A
6π 2
B
9π 2
C
3π 4
D
9
3. Mary made 18 fudge brownies and 16 walnut brownies. She shared them equally with her friends. Which expression represents the total number of brownies each friend received? A B C D
For questions 7 and 8, evaluate the expressions. Use the Answer Bank to select the value of each expression. Two answers in the Answer Bank will not be used. π =5 Answer Bank 2
7. 4(3 + 2) β s
2
A 75 B 99 C 72
8. 4(s 2 + 2) β 32
D 19
9. The expression π + 0.08π can be used to find the total cost of an item with 8% sales tax. Use the expression to find the total cost of an item that costs $20.
A
$36.00
B
$1.60
C
$16.00
D
$21.60
10. Select each true statement. A
The expression 3(24 ) has a value of 24.
B
The value of the expression 4 Γ 23 is 32.
C
The expression 5(42 β 6) β 5 has a value of 45.
16. Write an expression that could be used to represent this scenario. Identify any variables and what they represent, terms, coefficients, constants, and operations in your expression.
Ethan and Zachary each planted their own garden last spring. By the end of the summer, Zacharyβs garden had produced two and a half times as many pounds of tomatoes as Ethanβs garden. Zachary donated 10 pounds of his tomatoes to a local food bank and kept the rest. a. Expression:
b. Variable(s): What the variable(s) represent:
Term(s):
Coefficient(s):
Constant(s):
Operation(s): c. If Ethanβs garden produced 12 pounds of tomatoes, how many pounds of tomatoes did Zachary keep?