6.EE.2 Write, read, and evaluate expressions in which letters stand for numbers. a. Write expressions that record operations with numbers and with
letters standing for numbers. b. Identify parts of an expression using mathematical terms (sum, term,
product, factor, quotient, coefficient); view one or more parts of an expression as a single entity. c. 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). CCSS 6.EE.2
Answers 1. a.
w ; area of a rectangle
b. 2 + 2 w ; perimeter of a rectangle
c. 6 s 2 ; surface area of a cube
2. 10 ft; 6 ft 2
3. No, it is not a cube.
4. 520 lb Precision
1. a. Student indicates multiplication in the expression. b. Student indicates multiplication and addition in the expression.
c. Student uses an exponent in the expression.
2. Student follows the order of operations using the expressions from
parts (a) and (b) in Exercise 1. 3. Student uses precise mathematical language when providing an
4. Student multiples the volume by the weight of the sand and adds
the weight of the chest, while paying attention to and converting units. Total Points
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