Download 6.EE.A.2ac Assessment Items - Howard County Public School System

Mathematics 6
Items to Support Formative Assessment
Unit 3: Expressions and Equations
6.EE.A.2 Write, read, and evaluate expressions in which letters stand for numbers.
6.EE.A.2a Write expressions that record operations with numbers and with letters standing
for numbers. For example, express the calculation “Subtract y from 5” as 5 - y.
6.EE.A.2a:
Choose four of the phrases below and write them as an algebraic expression.
● Triple a number
● Subtract a number from 10
● Add a number to itself
● Add 1 to a number and then double it
● Subtract a number from 10 and then divide by 4
● Triple a number and add 2
Adapted from: Small, M. (2010). More Good Questions: Great Ways to Differentiate Secondary
Mathematics Instruction. Teachers College Press. Page 46.
Solutions:
● Triple a number: 3x
● Subtract a number from 10: 10 -y
● Add a number to itself: h + h
● Add 1 to a number and then double it: 2(1 + m)
● Subtract a number from 10 and then divide by 4: (10 - w)÷4
● Triple a number then add 2 3d + 2
6.EE.A.2a:
Which expression represents “
a. h -
1
less than h”
2
1
2
1
-h
2
1
c. h
2
h
d.
2
b.
Note: These formative items are secure items for your team to use to check for student understanding.
Please work with your team to develop agreements for which items will be used for selected assessments.
Howard County Public Schools Office of Secondary Mathematics Curricular Projects has licensed this product
under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Solution: a
6.EE.A.2a:
Which of these expressions represents “the product of 8 and p”?
Select all that apply
a. p · p · p · p · p · p · p · p
b. 8 p
c. p · 8
d. 8( p)
e. p 8
Solution: b,c,d
1 2
x + 9, when x = 4
2
Solution: 17
Evaluate
Evaluate 3x 2 + 0.7 , when x = 0.7
Solution: 2.17
6.EE.A.2c Evaluate expressions at specific values of their variables. Include expressions
that arise from formulas used in real-world problems. Perform arithmetic operations,
including those involving whole-number exponents, in the conventional order when there
are no parentheses to specify a particular order (Order of Operations).
6.EE.A.2c:
The formula for surface area of a right rectangular prism is A = 2lw + 2wh + 2lh. A tissue box
has a length of 8 inches, a width of 5 inches, and a height of 4 inches. Using the formula:
A = 2lw + 2wh + 2lh, when l = 8, w = 5, h = 4, find the surface area in inches squared.
Note: These formative items are secure items for your team to use to check for student understanding.
Please work with your team to develop agreements for which items will be used for selected assessments.
Howard County Public Schools Office of Secondary Mathematics Curricular Projects has licensed this product
under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
Solution: 184 inches squared
6.EE.A.2c:
What is the value of x 2 + 4y ¸ w + 3d, when w = 2, x = 5, y = 0.25, z = 8 .
Solution: 37
Note: These formative items are secure items for your team to use to check for student understanding.
Please work with your team to develop agreements for which items will be used for selected assessments.
Howard County Public Schools Office of Secondary Mathematics Curricular Projects has licensed this product
under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.