Main content
Unit 1: Get ready for addition and subtraction
1,200 possible mastery points
Mastered
Proficient
Familiar
Attempted
Not started
Quiz
Unit test
About this unit
Let's build a solid foundation of place value, adding, and subtracting smaller numbers so that we'll be ready for adding and subtracting larger numbers in third grade. This unit will expand your addition and subtraction skills by working with numbers up to 1000 and using various visual tools to help you solve.Learn
Practice
- Place value blocks within 1,000Get 3 of 4 questions to level up!
- Place value tables within 1,000Get 3 of 4 questions to level up!
- Identify the value of a digit (ones, tens, hundreds)Get 3 of 4 questions to level up!
Practice
- Regroup whole numbersGet 3 of 4 questions to level up!
Learn
Practice
- Add within 100 using place value blocksGet 3 of 4 questions to level up!
- Add 2-digit numbers by making tensGet 3 of 4 questions to level up!
- Add within 100 using a number lineGet 3 of 4 questions to level up!
- Select strategies for adding within 100Get 3 of 4 questions to level up!
Learn
Practice
- Subtract within 100 using place value blocksGet 3 of 4 questions to level up!
- Subtract within 100 using a number lineGet 3 of 4 questions to level up!
Learn
Practice
- Add within 1,000 using place value blocksGet 3 of 4 questions to level up!
- Subtract within 1,000 using place value blocksGet 3 of 4 questions to level up!
Up next for you:
Level up on all the skills in this unit and collect up to 1200 Mastery points!