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# Unit 40: Real and Complex Numbers 189-200

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Unit test

### Learn

### Practice

- Round to nearest 10 or 100 on the number lineGet 5 of 7 questions to level up!
- Round to nearest 10 or 100Get 3 of 4 questions to level up!
- Round to nearest 10 or 100 challengeGet 3 of 4 questions to level up!

### Practice

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

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

### Learn

### Practice

- Break apart 3-digit addition problemsGet 3 of 4 questions to level up!
- Add using groups of 10 and 100Get 3 of 4 questions to level up!
- Add on a number lineGet 3 of 4 questions to level up!
- Select strategies for adding within 1000Get 3 of 4 questions to level up!

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

### Practice

- Estimate to subtract multi-digit whole numbersGet 3 of 4 questions to level up!

### Learn

### Practice

- Break apart 3-digit subtraction problemsGet 3 of 4 questions to level up!
- Subtract on a number lineGet 3 of 4 questions to level up!
- Select strategies for subtracting within 1000Get 3 of 4 questions to level up!

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

### Learn

### Practice

- Subtract within 1000Get 3 of 4 questions to level up!

### Learn

### Practice

- Add and subtract within 1000 word problemsGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Cut shapes into equal partsGet 5 of 7 questions to level up!
- Identify unit fractionsGet 5 of 7 questions to level up!

### Learn

- No videos or articles available in this lesson

### Practice

- Fractions in contextsGet 3 of 4 questions to level up!

### Learn

### Practice

- Understand numerators and denominatorsGet 5 of 7 questions to level up!
- Recognize fractionsGet 5 of 7 questions to level up!
- Recognize fractions greater than 1Get 3 of 4 questions to level up!

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

### Practice

- Relate number lines to fraction barsGet 3 of 4 questions to level up!
- Unit fractions on the number lineGet 3 of 4 questions to level up!
- Fractions on the number line Get 5 of 7 questions to level up!
- Find 1 on the number lineGet 5 of 7 questions to level up!
- Fractions greater than 1 on the number lineGet 3 of 4 questions to level up!

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

### Practice

- Relate fractions to 1Get 5 of 7 questions to level up!
- Write whole numbers as fractionsGet 5 of 7 questions to level up!

Level up on the above skills and collect up to 160 Mastery points

### Learn

### Practice

- Compare fractions with fraction modelsGet 5 of 7 questions to level up!
- Compare fractions on the number lineGet 3 of 4 questions to level up!
- Compare fractions with the same denominatorGet 3 of 4 questions to level up!
- Compare fractions with the same numeratorGet 3 of 4 questions to level up!
- Compare fractions with the same numerator or denominatorGet 5 of 7 questions to level up!

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

### Learn

### Practice

- Fractions of different wholesGet 5 of 7 questions to level up!

### Learn

### Practice

- Equivalent fraction modelsGet 5 of 7 questions to level up!
- Equivalent fractions on the number lineGet 3 of 4 questions to level up!
- Equivalent fractionsGet 3 of 4 questions to level up!

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

Level up on all the skills in this unit and collect up to 3,800 Mastery points!