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Published byClinton Wilson Modified over 9 years ago
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Click your or arrow keys to move the card ahead! For your IPAD swipe the screen. Using Your Abacards ® Click and follow along using your abacus. After each click say what you saw. Practice saying what you will see before you click! After using the Abacards ®, make up problems. Forward Backward
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105 Abacards ® 5 10 ÷ 2 = 5 WOW! One half of 10 is 5.
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20 10 Abacards ® 10 20 ÷ 2 = 10 WOW! One half of 20 is 10.
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30 15 Abacards ® 15 30 ÷ 2= 15 WOW! One half of 30 is 15.
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40 20 Abacards ® 20 40 ÷ 2 = 20 WOW! One half of 40 is 20.
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50 25 Abacards ® 25 50 ÷ 2= 25 WOW! One half of 50 is 25.
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60 30 Abacards ® 30 60 ÷ 2 = 30 WOW! One half of 60 is 30.
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70 35 Abacards ® 35 70 ÷ 2= 35 WOW! One half of 70 is 35.
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80 40 Abacards ® 40 80 ÷ 2 = 40 WOW! One half of 80 is 40.
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90 45 Abacards ® 45 90 ÷ 2 = 45 WOW! One half of 90 is 45.
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100 50 Abacards ® 50 100 ÷ 2 = 50 WOW! One half of 100 is 50.
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10 ÷ 2 = 5 20 ÷ 2 = 10 30 ÷ 2 = 15 40 ÷ 2 = 20 50 ÷ 2 = 25 60 ÷ 2 = 30 70 ÷ 2 = 35 80 ÷ 2 = 40 90 ÷ 2 = 45 100 ÷ 2 = 50 10 ÷ 2 = 5 20 ÷ 2 = 10 30 ÷ 2 = 15 40 ÷ 2 = 20 50 ÷ 2 = 25 60 ÷ 2 = 30 70 ÷ 2 = 35 80 ÷ 2 = 40 90 ÷ 2 = 45 100 ÷ 2 = 50 Let’s look at the results of Abacus play with 10s ÷ 2. Do you see a relationship between the green numbers? Abacards ®
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40 20 30 90 50 60 70 45 80 10 25 20 15 40 30 35 Back To Start! ÷ 2
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