Victor 900 manual Lesson 9 Decimals

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Lesson 9: Decimals

TEACHER’S GUIDE

Lesson 9: Decimals

Overview

Teacher Materials

Student Materials

Keys Introduced

Teaching Notes

Use the calculator to add and subtract numbers with decimals.

“Decimals” transparency

Pencil, Calculator, “Calculator Connections VI” worksheet, “Estimation Exploration” worksheet, and “I Love Decimals” worksheet.

The “Calculator Connections VI” worksheet provides additional practice. Ask students to solve each math problem with the calculator and connect the box with the correct answer by drawing a line.

The “Estimation Exploration” worksheet, is an additional way to have a fun time with decimals. It shows the difference between estimated and exact answers. It is another way to improve skills and learn more about decimals and using the calculator.

Victor 900 Calculator Teacher’s Guide

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Contents Teacher’s Guide ON/AC Lesson 1 Learning the Victor 900 Calculator900 Learning the Victor 900 CalculatorAntiMicrobial Victor 900 CalculatorStudent Worksheet Lesson 2 Using the Victor 900 Calculator Calculator Battle Student a Name Student B Name Hits Calculator Battle Score SheetLesson 3 Addition Press these buttons Calculator shows Addition + 2 = ? + 3 + 5 = ?Correcting Wrong Entries + 3 = ? Calculator Connections Lesson 4 Subtraction Subtraction = ? 2 = ? 186 222 677 121 164 211 55,221 Big Number MathLesson 5 Repetitive Subtraction and Addition Repetitive Subtraction Addition 15 3 3 3 = ? + 2 + 2 + 2 = ? Fast Fingers Constant Calculations Lesson 6 Multiplication Multiplication 8 = ? 43 X 5 = ? Multiplication Mountain Answer Key Multiplying Multiple Numbers 8 X 2 = ? Repetitive Multiplication 2 = ? 4 = ? 6 = ? 8 = ? Multiplication Calculator Battle Multiplication Calculator Battle Score Sheet Calculator Connections Lesson 7 Division 48 ÷ 6 = Two Methods for Writing Division Problems81 ÷ 3 = ? Division100 125 ÷ 49 ÷ 1000 ÷10 66 ÷ 72 ÷ 888 ÷ 550 ÷ 147 ÷ 110 222 Lesson 8 Division with Remainders 48 ÷ 5 = Two Methods for Writing Division With Remainder ProblemsDivision with Remainders 48 ÷ 5 = ? 74 ÷ 6 = ? 14.666666 6666666Calculating the Remainder 76 ÷ 8 = ? Calculator Connections Lesson 9 Decimals Decimals + 5.3 = ? 6.1 = ? 16.4 + +7.1 23.1 14.7 21.7 20.5 13.8 12.5 Estimate 8.1 Calculator Love DecimalsMRC Lesson 10 MemoryMRC Calculator Memory86 = ? 1.49 = ? 52 = ? Adding Products with MemoryPress these buttons 1 =Memory MRC Million Memory Magic Lesson 11 Percents Percents $3.70 12% discount =? $7.50 + 6% sales tax= ? More Percents $4.90 15% discount=? $8.20 + 7% sales tax $10.00 Lesson 12 Interest 750 Simple Interest $750.00 at 13% =? $299.00 at 3% =?820 Total with Interest $490 + 15% =? $820 + 7% =?490 Hop aboard and get ready for the INTERESTing ride INTERESTing RideLesson 13 Square Roots and Squares Why Call it the Square? 121 225 Square Roots √ 121 = ?144 Squares 122 = ? 42 = ?Square Grid