THIRD GRADE

3-Digit Numbers

problem 15: Do we make more harmful gas or less?

FOURTH GRADE

2-Digit Numbers

problem 11: The hottest & coldest days 

3-Digit Numbers

problem 15: Do we make more harmful gas or less?

Decimal Numbers

problem5: Is our air getting cleaner? 

FIFITH GRADE

2-Digit Numbers

problem 11: The hottest & coldest days 

3-Digit Numbers

problem 15: Do we make more harmful gas or less? 

Decimal Numbers

problem5: Is our air getting cleaner?