4 Operations on Number

In a test, you receive $2$2 marks for every correct answer, and $8$8 marks for also getting a special bonus question correct.

If Bart got $9$9 questions correct, as well as the bonus question, how many marks will he receive in total?

Easy

Less than a minute

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Use a range of additive and simple multiplicative strategies with whole numbers, fractions, decimals, and percentages.