Gebruiksaanwijzing /service van het product MathShark van de fabrikant Learning Resources
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Ages 6 & up MathShark ™ EI-8490 Guide for T eachers and Par ents.
CARING FOR MA THSHARK Battery Installation 1. Open the batter y compartment door by carefully loosening the scr ew with a screwdriver . 2. Install two fr esh AA alkaline batteries, following the illustration inside the batter y compartment. • Batteries must be installed with the corr ect polarity .
1 MathShark ™ CONTENTS Introduction to MathShark . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Why is MathShark an Important Learning T ool? . . . . . . . . . . . . 3 Suggestions for Use . . . . . . . . . . . . . . . . . . . . . . . . .
2 MathShark ™ Guide for T eachers and Par ents Congratulations! Y ou have chosen MathShark, the calculator and electr onic game that impr oves math skills.
3 Why is MathShark an Important Learning T ool? Mathematics skills ar e useful throughout our lives. T eaching strategies may change, yet most educators agr ee that acquiring mathematics skills means .
4 MathShark‘s Special Featur es LIGHTS A flash of the green light means the answer is correct; a flash of the red light means it is incorrect. ON/OFF Use this button to turn MathShark ON and OFF . LEARNING/CALCULA TOR Use this button to choose a mode.
5 CLR T o change an answer , use the CLR button to erase the most recent number input. SKILL Press one of these buttons to select a skill in LEARNING—FRACTIONS, DECIMALS, or PERCENTS. SCREEN Greetings, selection menus, examples, math problems, skill level, and elapsed time appear on the screen.
6 For CALCULA TOR 1. Pr ess CALCULA TOR. 2. Input the first number . 3. Pr ess a function key ( + - x ÷ ). 4. Input the next number . 5. Pr ess ENTER and the answer will show . 6. Continue the pr ocess for a multiple step problem. 7. Pr ess CALCULA TOR or CLR to begin a new problem.
7 5. After choosing SKILL and LEVEL, scr een displays EXAMPLES. 6. Pr ess ENTER to star t a game, or CLR to choose a different SKILL or LEVEL. 7. First pr oblem appears. Input an answer , then press ENTER. T o enter a fraction, use the A/B button. T o enter a decimal, use the button.
8 MathShark Content by Skill Levels The MathShark Skills Scope and Sequence Chart on pages 20 –21 gives an overall look at content in each skill and on each level. The following pages pr ovide a definition of the content for each skill and level, plus some example pr oblems.
9 Level 5 Add 2- digit addends to 2- digit addends without r egrouping. Level 6 Add thr ee 1- digit addends. 37 +1 2 24 +3 4 51 + 34 = 11 + 11 = Y ou may want to offer one of these suggestions for mental r eminders in adding three numbers: • always add the first two numbers, then add the sum to the thir d.
ADD SUBTRACT MUL TIPL Y DIVIDE DECIMALS FRACTIONS PERCENTS ASSESSMENT Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Level 7 Level 8 © Copyright 2007 Educational Insights, Inc.
Name: ___________________________________ DIVIDE DECIMALS FRACTIONS PERCENTS SMENT EI- 8490 MathShark.
12 Subtract to find the missing subtrahend . Add to find the missing minuend . 5 –2 10 – 8 98 – 7 42 – 7 71 – 8 364 – 123 97 – 26 55 – 1 8 –8 7 –5 8 –4 6 –2 16 – 8 = 13 – 8.
13 Level 1 Basic multiplication facts 1–12 in sequential or der . Player selects number to drill. Level 2 Basic multiplication facts 1–12 in non-sequential or der . Player selects number to drill. Level 3 Basic multiplication facts 1–12 in non-sequential or der .
14 Level 7 Multiply 2- digit numbers by 1- digit numbers with r egrouping. 47 x 3 = 58 x 2 = 33 x ? = 1 32 ? x 47 = 94 Y ou might want to encourage players to use their estimating skills at this level. Estimation is a valuable tool in mental math. Remind players to enter the complete answer from left to right.
15 Level 1 Basic division facts 1–12 in sequential or der . Player selects number to drill. Level 2 Basic division facts 1–12 in non- sequential or der . Player selects number to drill. Level 3 Basic division facts 1–12 in non- sequential or der .
16 Befor e beginning work in the DECIMALS skills, make sure player knows how to use the button to enter a decimal: enter the whole number , press the button, then enter the decimal numbers. Level 1 Add tenths. Level 2 Subtract tenths. Level 3 Add hundr edths.
17 Level 1 Simplify fractions. Once players have learned to simplify fractions in LEVEL 1, all answers for LEVELS 2- 8 must be simplified. Level 2 Add fractions with like denominators, answers not over 1.
18 Level 5 Subtract fractions with unlike denominators. Level 6 Multiply fractions with unlike denominators. 1 ⁄ 3 – 1 ⁄ 6 = 3 ⁄ 5 – 1 ⁄ 10 = 1 ⁄ 2 x 2 ⁄ 3 = 3 ⁄ 4 ÷ 1 ⁄ 8 = 1 ⁄.
19 Level 2 W rite per cents as equivalent decimals. Level 3 Find 1% or 10% of whole numbers. Level 4 Find 25%, 50%, or 100% of whole numbers. Level 5 Find 5%, 20%, or 75% of whole numbers. Level 6 Find per centages ending in zero (excluding 10%, 20%, and 50%) of whole numbers with zer o after the first numeral.
20 Math Shark Skills Scope and Sequence Chart ADD SUBTRACT MUL TIPL Y DIVIDE DECIMALS FRACTIONS PERCENTS Basic facts, selected number , sequential Basic facts, selected number , sequential Basic facts.
21 ADD tenths Simplify fractions W rite equivalent fractions SUBTRACT tenths ADD fractions with like denominators W rite equivalent decimals ADD hundredths SUBTRACT fractions with like denominators Id.
WARRANTY INFORMA TION Dear Customer , Thank you for purchasing MathShark. W e’re certain that you will enjoy the learning experiences offered by this pr oduct.
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