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# Unit 1: Knowing our numbers

1,600 possible mastery points

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Quiz

Unit test

### Learn

### Practice

- Compare multi-digit numbersGet 5 of 7 questions to level up!
- Compare multi-digit numbers word problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- 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!

### Learn

### Practice

- Convert to smaller units (mm, cm, m, & km)Get 5 of 7 questions to level up!
- Convert to smaller units (mL and L)Get 3 of 4 questions to level up!
- Convert to smaller units (g and kg)Get 3 of 4 questions to level up!
- Metric conversions word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 640 Mastery points

### Learn

### Practice

- Round to nearest 10 or 100 on the number lineGet 5 of 7 questions to level up!
- Round whole numbersGet 5 of 7 questions to level up!

### Learn

### Practice

- Estimate to add multi-digit whole numbersGet 3 of 4 questions to level up!
- Estimate multi-digit multiplication problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 320 Mastery points

### Learn

### Practice

- Evaluate expressions with parenthesesGet 5 of 7 questions to level up!
- Translate expressions with parenthesesGet 3 of 4 questions to level up!

### Learn

### Practice

- 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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Level up on all the skills in this unit and collect up to 1600 Mastery points!