# Module 1: Place value and decimal fractions

## Topic A: Multiplicative patterns on the place value chart

Practice
Place value namesGet 5 of 7 questions to level up!
Value of a digitGet 5 of 7 questions to level up!
Multiply and divide by powers of 10Get 5 of 7 questions to level up!
Powers of tenGet 5 of 7 questions to level up!
Multiply and divide decimals by 10Get 3 of 4 questions to level up!
Multiply and divide decimals by 10, 100, and 1000Get 3 of 4 questions to level up!
Decimals on the number line: thousandthsGet 3 of 4 questions to level up!
Compare decimal place valueGet 3 of 4 questions to level up!

## Topic B: Decimal fractions and place value patterns

Practice
Decimals in expanded formGet 3 of 4 questions to level up!
Decimals in written formGet 3 of 4 questions to level up!
Decimals in written and expanded formGet 3 of 4 questions to level up!
Write common fractions as decimalsGet 5 of 7 questions to level up!
Compare decimals through thousandthsGet 5 of 7 questions to level up!
Compare decimals in different formsGet 3 of 4 questions to level up!
Order decimalsGet 3 of 4 questions to level up!
Compare decimals word problemsGet 3 of 4 questions to level up!
Regroup decimalsGet 3 of 4 questions to level up!

## Topic C: Place value and rounding decimal fractions

Practice
Round decimals Get 5 of 7 questions to level up!
Round decimals using a number lineGet 3 of 4 questions to level up!
Round decimals word problemsGet 3 of 4 questions to level up!
Round decimals challengeGet 3 of 4 questions to level up!

## Topic D: Adding and subtracting decimals

Practice
Estimating with adding decimalsGet 5 of 7 questions to level up!
Add decimals visuallyGet 5 of 7 questions to level up!
Add decimals like 0.7+0.5Get 3 of 4 questions to level up!
Add decimals like 4+5.7Get 3 of 4 questions to level up!
Add decimals like 40.1+7.6Get 3 of 4 questions to level up!
Add decimals like 0.76+0.21Get 3 of 4 questions to level up!
Add decimals like 5.53+6.1Get 3 of 4 questions to level up!
Add decimals like 47.75+11.98Get 3 of 4 questions to level up!
Estimating with subtracting decimalsGet 5 of 7 questions to level up!
Subtract decimals visuallyGet 5 of 7 questions to level up!
Subtract decimals like 0.9-0.7Get 3 of 4 questions to level up!
Subtract decimals like 1.6-0.3Get 3 of 4 questions to level up!
Subtract decimals like 78.4-3Get 3 of 4 questions to level up!
Subtract decimals like 56.8-17.9Get 3 of 4 questions to level up!
Subtract decimals like 0.75-0.56Get 3 of 4 questions to level up!
Subtract decimals like 0.6-0.43Get 3 of 4 questions to level up!
Subtract decimals like 67.89-6Get 3 of 4 questions to level up!
Subtract decimals like 15-7.45Get 3 of 4 questions to level up!

## Topic E: Multiplying decimals

Practice
Multiply whole numbers by 0.1 and 0.01Get 3 of 4 questions to level up!
Multiply decimals visuallyGet 5 of 7 questions to level up!
Multiply whole numbers and decimalsGet 3 of 4 questions to level up!
Estimating with multiplying decimalsGet 3 of 4 questions to level up!
Understand multiplying decimalsGet 3 of 4 questions to level up!
Multiply decimals tenthsGet 5 of 7 questions to level up!
Multiply decimals (up to 4-digit factors)Get 3 of 4 questions to level up!

## Topic F: Dividing decimals

Practice
Divide decimals by whole numbers visuallyGet 3 of 4 questions to level up!
Divide whole numbers by decimals visuallyGet 3 of 4 questions to level up!
Divide whole numbers like 7÷5 to get a decimalGet 3 of 4 questions to level up!
Divide decimals by whole numbersGet 3 of 4 questions to level up!
Divide whole numbers by decimalsGet 3 of 4 questions to level up!
Multiply and divide decimals by 10Get 3 of 4 questions to level up!