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Unit 1: Addition and subtraction
600 possible mastery points
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- Read Roman numeralsGet 3 of 4 questions to level up!
- Convert to Roman numeralsGet 3 of 4 questions to level up!
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- Convert between lakhs, crores, millions, and billionsGet 5 of 7 questions to level up!
- Word problems involving lakhs and croresGet 3 of 4 questions to level up!
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- Multi-digit additionGet 3 of 4 questions to level up!
Practice
- Multi-digit subtractionGet 3 of 4 questions to level up!
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Level up on all the skills in this unit and collect up to 600 Mastery points!