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Chess Club: Rating Calculation Strategies

Practice properties of operations with rational numbers through chess tournament calculations and custom club rating adjustments.

Grade 7MathInteractive · Printable

Aligned to7.NS.A.2.c

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What’s included

Single worksheet
Auto-graded online
1 Common Core standard
Printable answer key
14 questions
Classroom-ready

Details

Format: Interactive · Printable
Grade: Grade 7
Subject: Math
Question types: Fill in the blank, Multiple choice, Circle the answer, Short answer

About this worksheet

What students practice

Students use commutative and associative properties to simplify rational number products.
Students use the distributive property to combine or separate rational number calculations.
Students simplify rational number quotients using reciprocals and common nonzero factors.

How to use

Use after teaching rational number operations. Ask students to show a helpful rewrite beside each calculation, then discuss the final error analysis.

Curriculum

Common Core standard covered

7.NS.A.2.c

Use properties of operations as strategies to multiply and divide rational numbers.

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Chess Club: Rating Calculation Strategies

Use operation properties to simplify tournament calculations.

Rating Tools

This tournament uses custom club ratings, not official chess ratings. Use operation properties to simplify each calculation.

For each late arrival, a player's rating changes by the base adjustment multiplied by the event multiplier. Mateo arrives late for all 9 rounds. Group the two decimal factors first.