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# Unit: Numbers and Operations 211-217

#### 0

### Practice

- Place value namesGet 5 of 7 questions to level up!
- Value of a digitGet 5 of 7 questions to level up!

### Practice

- Decimals on the number line: thousandthsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Practice

- Decimals in expanded formGet 3 of 4 questions to level up!

### Learn

### Practice

- Decimals in written and expanded formGet 3 of 4 questions to level up!
- Regroup decimalsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Compare decimals through thousandthsGet 5 of 7 questions to level up!
- Order decimalsGet 3 of 4 questions to level up!
- Compare decimals in different formsGet 3 of 4 questions to level up!
- Compare decimals word problemsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Round decimals using a number lineGet 3 of 4 questions to level up!
- Round decimals Get 5 of 7 questions to level up!
- Understand decimal roundingGet 3 of 4 questions to level up!
- Round decimals word problemsGet 3 of 4 questions to level up!

### Practice

- Write common decimals as fractionsGet 5 of 7 questions to level up!
- Write common fractions as decimalsGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Estimating with adding decimalsGet 5 of 7 questions to level up!
- Add decimals visuallyGet 5 of 7 questions to level up!
- Adding decimals < 1 (tenths)Get 3 of 4 questions to level up!
- Adding decimals and whole numbers (tenths)Get 3 of 4 questions to level up!
- Adding decimals (tenths)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

- Adding decimals < 1 (hundreths)Get 3 of 4 questions to level up!
- Adding decimals and whole numbers (hundredths)Get 3 of 4 questions to level up!
- Adding decimals (hundredths)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Estimating with subtracting decimalsGet 5 of 7 questions to level up!
- Subtract decimals visuallyGet 5 of 7 questions to level up!
- Subtract decimals < 1 (tenths)Get 3 of 4 questions to level up!
- Subtracting decimals and whole numbers (tenths)Get 3 of 4 questions to level up!
- Subtracting decimals (tenths)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

- Subtract decimals < 1 (hundredths)Get 3 of 4 questions to level up!
- Subtract decimals and whole numbers (hundredths)Get 3 of 4 questions to level up!
- Subtract decimals (hundredths)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Visually add and subtract fractionsGet 3 of 4 questions to level up!
- Estimate to add and subtract fractions with different denominatorsGet 3 of 4 questions to level up!

### Learn

### Practice

- Common denominatorsGet 3 of 4 questions to level up!
- Equivalent expressions with common denominatorsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Add fractions with unlike denominatorsGet 5 of 7 questions to level up!
- Subtracting fractions with unlike denominatorsGet 5 of 7 questions to level up!
- Add and subtract fractionsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Add and subtract mixed numbers with unlike denominators (no regrouping)Get 3 of 4 questions to level up!
- Add and subtract mixed numbers with unlike denominators (regrouping)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Practice

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

### Learn

### Practice

- Multiply by taking out factors of 10Get 5 of 7 questions to level up!
- Multiply by 1-digit numbers with standard algorithmGet 3 of 4 questions to level up!
- Multi-digit multiplicationGet 3 of 4 questions to level up!

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

### Practice

- Estimate multi-digit division problemsGet 3 of 4 questions to level up!

### Learn

### Practice

- Divide by taking out factors of 10Get 3 of 4 questions to level up!
- Basic multi-digit divisionGet 5 of 7 questions to level up!
- Division by 2-digitsGet 3 of 4 questions to level up!

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

### Practice

- Fraction multiplication as scalingGet 5 of 7 questions to level up!

### Learn

### Practice

- Multiply fractions and whole numbers visuallyGet 5 of 7 questions to level up!
- Multiply fractions and whole numbersGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Represent fraction multiplication with visualsGet 3 of 4 questions to level up!
- Multiplying fractions with visualsGet 3 of 4 questions to level up!
- Multiplying fractionsGet 5 of 7 questions to level up!

### Practice

- Multiply mixed numbersGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Fractions as divisionGet 5 of 7 questions to level up!
- Fractions as division word problemsGet 3 of 4 questions to level up!

### Learn

- No videos or articles available in this lesson

### Practice

- Relate fraction division to fraction multiplicationGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Dividing unit fractions by whole numbers visuallyGet 3 of 4 questions to level up!
- Dividing unit fractions by whole numbersGet 3 of 4 questions to level up!

### Learn

### Practice

- Dividing whole numbers by unit fractions visuallyGet 3 of 4 questions to level up!
- Dividing whole numbers by unit fractions Get 3 of 4 questions to level up!

### Learn

### Practice

- Fraction and whole number division in contextsGet 3 of 4 questions to level up!
- Divide fractions and whole numbers word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 480 Mastery points

### Learn

### Practice

- Estimating with multiplying decimals and whole numbersGet 3 of 4 questions to level up!
- Multiply decimals and whole numbers visuallyGet 5 of 7 questions to level up!
- Multiply whole numbers by 0.1 and 0.01Get 3 of 4 questions to level up!
- Multiply whole numbers and decimals less than 1Get 3 of 4 questions to level up!
- Multiply whole numbers and decimalsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Learn

### Practice

- Estimating with multiplying decimalsGet 3 of 4 questions to level up!
- Represent decimal multiplication with grids and area modelsGet 3 of 4 questions to level up!
- Understand multiplying decimalsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Multiply decimals tenthsGet 5 of 7 questions to level up!
- Multiply decimals (1&2-digit factors)Get 3 of 4 questions to level up!
- Multiply decimals (up to 4-digit factors)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Practice

- Estimating with dividing decimalsGet 5 of 7 questions to level up!

### Learn

### Practice

- Divide whole numbers to get a decimal (1-digit divisors)Get 3 of 4 questions to level up!
- Divide whole numbers to get a decimal (2-digit divisors)Get 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

### Learn

- No videos or articles available in this lesson

### Practice

- Divide decimals by whole numbers visuallyGet 3 of 4 questions to level up!
- Divide decimals by whole numbersGet 3 of 4 questions to level up!

### Practice

- Divide whole numbers by decimals visuallyGet 3 of 4 questions to level up!
- Divide whole numbers by 0.1 or 0.01Get 5 of 7 questions to level up!
- Divide whole numbers by decimalsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 400 Mastery points

### Practice

- Multiply and divide whole numbers by 10, 100, and 1000Get 3 of 4 questions to level up!

### Learn

### Practice

- 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!

Level up on the above skills and collect up to 240 Mastery points

### Learn

### Practice

- Powers of tenGet 5 of 7 questions to level up!

### Practice

- Compare decimal place valueGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 240 Mastery points

Level up on all the skills in this unit and collect up to 9400 Mastery points!