# Module 1: Place value, rounding, and algorithms for addition and subtraction

## Topic A: Place value of multi-digit whole numbers

Practice
Place value blocksGet 5 of 7 questions to level up!
Place value tablesGet 3 of 4 questions to level up!
Compare with multiplicationGet 5 of 7 questions to level up!
Identify value of a digitGet 5 of 7 questions to level up!
Creating largest or smallest numberGet 5 of 7 questions to level up!
Multiply whole numbers by 10Get 3 of 4 questions to level up!
Divide whole numbers by 10Get 3 of 4 questions to level up!
Multiply and divide by 10 Get 3 of 4 questions to level up!
Place value when multiplying and dividing by 10Get 5 of 7 questions to level up!
Write whole numbers in expanded formGet 5 of 7 questions to level up!
Write numbers in written formGet 3 of 4 questions to level up!
Regroup whole numbersGet 3 of 4 questions to level up!

## Topic B: Comparing multi-digit whole numbers

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!
Compare numbers: place value challengeGet 3 of 4 questions to level up!

## Topic C: Rounding multi-digit whole numbers

Practice
Round whole numbersGet 5 of 7 questions to level up!
Round whole numbers word problemsGet 3 of 4 questions to level up!
Round whole numbers challengeGet 3 of 4 questions to level up!

## Topic D: Multi-digit whole number addition

Practice
Multi-digit additionGet 3 of 4 questions to level up!