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7.NS.A.2.d

King's Rational Riddles

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Game Info for Teachers

COMBINED RATING

3.8 Stars

TEACHERS (8)

4.3

STUDENTS (1420)

3.3

LENGTH

24 Minutes

GRADES

6
7
8

CAPABILITIES

ES
Spanish Language Support
Text-to-Speech Support

Description

Enjoy solving riddles and learning math at the same time? Lead your adventurer around a scene to capture the correct numbers needed to solve each division problem and solve a riddle. A great game for converting rational numbers to decimals using long division!

Vocabulary Words

dividend
divisor
repeating decimal
period
terminating
infinite
remainder

Instructions

Play through this interactive game to learn about Convert Rational Numbers to Decimals. Suitable for Grade 6, Grade 7, Grade 8.

Main Concepts

Decimals can either be terminating (the division ends in a 0) or repeating where a digit or group of digits repeat endlessly.
Decimals can have an infinite expansion when repeating hence having a location on the number line is approximated.
A rational number has a finite decimal expansion is the same as saying that it can be expressed as a fraction whose numerator is a base-ten unit.
To use long division for finite decimals it can be modeled with the base ten unit.

Discussion Questions

Before the Game

In a division problem, which number is the divisor and which number is the dividend? In a division problem, what is a remainder? How would you divide easy numbers such as 150/5 or 324/6? How would you divide more challenging division problems, such as 2/7?

After the Game

What is 5 ÷ 19? What is 1 ÷ 2 x 3? What is 20 ÷ 30? When you are dividing, when is it necessary to add a decimal point and zeros? How were you able to use a shortcut alternate method when multiplying and dividing by a fraction to arrive at the same answer? What is a periodic number? What symbol can we use to show digits that are repeating in the answer of a division problem?

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Game Details

Difficulty

Content Integration

Lexile Level

505
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