Explore essential fourth grade math skills and concepts, preparing for MAP tests and real-world problem solving.
After solving a problem, always check your work:
Estimation helps you catch silly mistakes and gives you confidence in your answers. If your answer is way off, you’ll spot it right away!
Estimating 52 + 48 is about 100, so make sure your answer is close.
Double-checking subtraction by adding the answer back to the smaller number.