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Whole Numbers (Pri-3)

/ Addition and Subtraction St Stephen’s School / Homework (2018)
10. Muthu had 1o coins and had 14 coi consisted of 10g coins and 20e coins. When all thel 20g coins were exchanged for 10g coins, they wout How many 20g coins did they have at first? ave a total of 28 coins.
Ed

September 2, 2018
 
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Before -> 24 coinsAfter -> 28 coinsDiff = 28 -24 = 4 coinsTo have an increase in 4 coins of 10 cents, no of 20 cents = 4 coins 
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September 3, 2018
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