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# What is a "basic fact" in math?

**A "basic fact" in math is defined as any mathematical number, fact or idea instantly recalled without resorting to strategies, according to NZCER.org.** The main basic facts encountered in math are "whole-number" basic facts, in particular multiplication, addition, division and subtraction.

According to the University of Chicago, children should have automatic recall of basic addition and subtraction facts by the time they finish the second grade and automatic recall of basic multiplication and division facts by the end of the fourth grade. Fact extension practice is key when teaching basic math concepts. An example of this is a student learning 3 + 4 = 7, and then learning 30 + 40 = 70 and 300 + 400 = 700.

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## What does range mean in math?

A: In mathematics, the range of a set of data refers to the difference between the smallest and largest number. For the set of data 1,2,3,4,7, the range is eq... Full Answer >Filed Under: -
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## What do Touch Math charts look like?

A: For each represented digit on a Touch Math number chart, a small number of "touch points," or small dots whose quantity is equal to the numerical value of ... Full Answer >Filed Under: -
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## What are some good math division tricks?

A: To tell if a number is evenly divisible by three, add all the digits in it until you arrive at a single digit. For instance, the number 9234 adds up to 18,... Full Answer >Filed Under: -
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## What are the rules for rounding in math?

A: As a general rule of thumb, numbers should be rounded down if the final digit in a number is from 0 to 4, and rounded up if it's 5 to 9. Rounding sometimes... Full Answer >Filed Under: