The given abacus represents the total number of candies Fenix has. If he gives away 30, how many are left?
A
5 Tens and 9 Ones
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B
9 Tens and 5 Ones
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C
7 Tens and 9 Ones
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D
6 Tens and 9 Ones
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Solution
The correct option is A 5 Tens and 9 Ones
Say: Let’s find out the number of candies remaining with Fenix.
Steps: ∙ The given abacus has 8 beads over “T” representing 8 Tens and 9 beads over “O” representing 9 Ones. ∙ 8 Tens and 9 Ones = 89 ∙ Fenix gives away 30 candies. ∙ To find the number of candies remaining with Fenix, we will subtract the number of candies he gives away from the total number of candies he had. ∙ So, 89 – 30 = 59 = 5 Tens and 9 Ones. ∙ Hence, Option B is the correct answer.