Sample questions
A few samples from this topic — try one, then show the answer.
Order of Operations: Review Equal-Priority Operations
Find the value of 17 − \; - \; − 14 + \; + \; + 10 .
Show answer
Compare Commutative, Associative, and Distributive Properties
Which expression shows the correct use of the distributive property for 6 ( 7 + \; + \; + 5 ) ?
6 + \; + \; + 7 + \; + \; + 5
6 × \times × 7 + \; + \; + 6 × \times × 5
Show answer Answer: 6 × \times × 7 + \; + \; + 6 × \times × 5
Solve Two-Step Whole-Number Problems
A parking lot has 7 rows with 12 cars in each row. How many cars are in the parking lot?
Show answer
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A worked example
Find the value of 17 − \; - \; − 14 + \; + \; + 10 .
Evaluate 17 − \; - \; − 14 + \; + \; + 10
When an expression has only addition and subtraction, work from left to right.
Subtract: 17 − \; - \; − 14 = \; = \; = 3
Add: 3 + \; + \; + 10 = \; = \; = 13
17 − \; - \; − 14 + \; + \; + 10 = \; = \; = 13
Skills covered
Compare Commutative, Associative, and Distributive Properties
Use Commutative Properties with Larger Numbers
Use Associative Properties to Make Calculations Easier
Use Associative Properties with Larger Numbers
Use the Distributive Property with Larger Whole Numbers
Use Inverse Operations to Check and Complete Equations
Order of Operations: Review Equal-Priority Operations
Order of Operations: Review Multiplying and Dividing First
Order of Operations: Use Parentheses First
Check and Explain Calculations with Parentheses
Find Missing Operations in Multi-Step Whole-Number Expressions
Solve Two-Step Whole-Number Problems
Solve Introductory Three-Step Whole-Number Problems
Choose Operations in Larger One-Step Problems
Match Words with Numerical Expressions
For parents & teachers
Your child compares the commutative, associative and distributive properties side by side, applies each to larger numbers, learns that parentheses come first in the order of operations, matches word statements to expressions, and solves two- and three-step word problems.
Properties and multi-step operations at scale: comparing commutative, associative and distributive side by side, applying each to larger whole numbers, using the associative property to make a calculation easier, inverse operations to check and complete equations, the full order-of-operations ladder through parentheses-first with explanation and checking, missing operations in multi-step expressions, translating word statements into numerical expressions, and one-, two- and three-step word problems applying operational properties.