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

### Learn

### Practice

Compare with multiplicationGet 5 of 7 questions to level up!

Intro to place valueGet 5 of 7 questions to level up!

Creating largest or smallest numberGet 5 of 7 questions to level up!

Place value blocksGet 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 5 of 7 questions to level up!

Whole number place value challengeGet 3 of 4 questions to level up!

### 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!

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

### Learn

### 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 5 of 7 questions to level up!

### Learn

### Practice

Multi-digit subtractionGet 3 of 4 questions to level up!