This subject covers essential 4th grade math concepts aligned with Common Core standards, including operations, fractions, and measurement.
Estimation is about making a smart guess, while mental math helps you solve problems quickly in your head. Both are helpful for checking work and solving problems fast.
Estimation and mental math make it easier to handle tricky math in your daily life, like figuring out if you have enough money to buy something.
Rounding $3.89 to $4.00 to estimate your total at the store.
Adding 50 + 30 in your head to quickly check your answer.