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# Unit 13: Operations and Algebra 176-188

800 possible mastery points

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Quiz

Unit test

### Learn

### Practice

- Adding with arraysGet 3 of 4 questions to level up!
- Array word problemsGet 3 of 4 questions to level up!

### Practice

- Understand even and odd numbers visuallyGet 3 of 4 questions to level up!

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

### Learn

### Practice

- Addition word problems within 100Get 3 of 4 questions to level up!
- Subtraction word problems within 100Get 3 of 4 questions to level up!

### Learn

### Practice

- Add and subtract on the number line word problemsGet 3 of 4 questions to level up!
- 2-step addition word problems within 100Get 3 of 4 questions to level up!
- 2-step subtraction word problems within 100Get 3 of 4 questions to level up!

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

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