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# Unit: Addition and subtraction

Not feeling ready for this? Check out Get ready for 5th grade.

#### 0

Possible mastery points

## Common fractions and decimals

Practice
Write common decimals as fractionsGet 5 of 7 questions to level up!

## Adding decimals intro

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!

## Adding decimals

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!

#### Quiz 1

Level up on the above skills and collect up to 900 Mastery points ## Subtracting decimals intro

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 (tenths)Get 3 of 4 questions to level up!
Subtracting decimals and whole numbers (tenths)Get 3 of 4 questions to level up!
Subtract decimals like 56.8-17.9Get 3 of 4 questions to level up!

## Subtracting decimals

Practice
Subtract decimals < 1 (hundredths)Get 3 of 4 questions to level up!
Subtract decimals (hundredths)Get 3 of 4 questions to level up!
Subtract decimals like 67.89-6Get 3 of 4 questions to level up!
Subtract decimals and whole numbers (hundredths)Get 3 of 4 questions to level up!

#### Quiz 2

Level up on the above skills and collect up to 1000 Mastery points Up next for you:

#### Unit test

Level up on all the skills in this unit and collect up to 1900 Mastery points! ### About this unit

Let's begin our journey together in 5th grade with good ole fashioned arithmetic. Don't assume that this has to be boring...not at all! We're going to have fun as we learn about and practice adding, subtracting, multiplying, and dividing whole numbers and decimals. We know you're probably pretty comfortable with basic arithmetic, so we'll try to challenge you a little more in these tutorials!