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- Telling time on a clockGet 5 of 7 questions to level up!
- Telling time on a number lineGet 5 of 7 questions to level up!
- Tell time to the nearest minuteGet 5 of 7 questions to level up!
- Time differences (within 60 minutes)Get 3 of 4 questions to level up!
- Tell time on the number lineGet 5 of 7 questions to level up!
- Time word problems with number lineGet 5 of 7 questions to level up!
- Telling time word problems (within the hour)Get 5 of 7 questions to level up!

Level up on the above skills and collect up to 700 Mastery points

- Estimate mass (grams and kilograms)Get 3 of 4 questions to level up!
- Word problems with massGet 5 of 7 questions to level up!
- Estimate volume (milliliters and liters) Get 3 of 4 questions to level up!
- Word problems with volumeGet 5 of 7 questions to level up!

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

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

Level up on the above skills and collect up to 300 Mastery points

- Estimate to add multi-digit whole numbersGet 3 of 4 questions to level up!
- 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!
- Add within 1000Get 3 of 4 questions to level up!
- Select strategies for adding within 1000Get 3 of 4 questions to level up!

- Estimate to subtract multi-digit whole numbersGet 3 of 4 questions to level up!
- 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!
- Subtract within 1000Get 3 of 4 questions to level up!
- Find the missing number (add and subtract within 1000)Get 3 of 4 questions to level up!
- Add and subtract within 1000 word problemsGet 3 of 4 questions to level up!

Level up on the above skills and collect up to 1300 Mastery points

Up next for you:#### Unit test

Level up on all the skills in this unit and collect up to 2700 Mastery points!