The ISEE Lower Level Quantitative Reasoning subject focuses on developing mathematical reasoning skills through problem-solving and critical thinking.
Sometimes, you don’t need the exact answer—just a close guess! Estimation helps you figure out about how much or how many.
Estimation means making a smart guess that’s close to the exact answer.
Rounding is a way to simplify numbers so they’re easier to use. For example, 47 rounded to the nearest ten is 50.
Estimation can help you check if your answers are reasonable and make quick decisions, like figuring out if you have enough money to buy a snack.
Estimation is handy when shopping, planning trips, or cooking.
Rounding 87 to the nearest ten is 90.
Estimating the total cost of three items priced at $2.99, $3.49, and $4.25 as about $10.
Estimation and rounding help you make quick, smart guesses in everyday situations.