# Money: Making Change, 20% Off Sale, Estimating Costs - Crack the Code

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26 MB|14 pages
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1. This resource combines my popular, month-long Personal Finances Unit and three Money: Crack the Code math practice activities. =================================================Here's what teachers are saying about Personal Finances!♥ I wish I could give this resource an A+++!!! My 7th graders absolu
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2. Math Practice Activities Crack the Code Super Bundle for grades 5-7 includes over 40 Crack the Code self-checking puzzles practicing a variety of math skills. Many of the selections are differentiated so that all ability levels are challenged. These fun activities are loaded with mental math and p
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How many times have you been in a store and the cashier had no idea how to figure out how much change you should get back? Registers do all the thinking for them. But what happens when the register doesn't have that function? (Yes, they do still exist.) Counting Change puts students firmly in the driver's seat calculating change for each customer.

Money: Making Change, 20% Off Sale, and Estimating Costs is a much-needed group of 3 Crack the Code puzzles giving your students real-life, practical application with money. All puzzles are self-correcting for immediate feedback. Teacher notes and answer keys are included.

20% Off Sale challenges students to determine 20% off the regular (given) price of 3 or 4 items per ticket. This problem makes a good computation or calculator problem - or both!

Estimating Costs is a mental math challenge asking students to estimate a sum for 3 or 4 prices and determine if they have enough to pay for these items. This code includes an Interactive Notebook page with tips for estimating money and a sample problem since this format is a little different than the others. It also includes an extra challenge for early finishers.

Skills include:
♦ problem-solving
♦ figuring 20 percent
♦ rounding decimals to nearest hundredth
♦ estimation
♦ mental math

Quotes:
“Somewhere inside all of us is the power to change the world.” Roald Dahl
“Genius without education is like silver in the mine.” Benjamin Franklin
“When in doubt, tell the truth.” Mark Twain

Ways to use Crack the Code puzzles~
Centers • Go-to Activities • Fun Class Challenge • Small Group Challenges • Paired Work (Buddy up!) • Test Prep • Homework • Sub Days • RTI

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Total Pages
14 pages
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Teaching Duration
40 minutes
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