Pre-Algebra Made Easy: Mastering Math Fundamentals

Round numbers to the nearest ten, hundred, or thousand to estimate values and solve problems quickly. Learn rounding rules, use the approximately equal sign, and practice estimating sums and differences.

Identify a math operation as an action like add, subtract, multiply, or divide, using inputs to produce outputs and apply the four basic operations in daily life.

Master adding numbers by hand through place value, lining up digits, and carrying over across ones, tens, and hundreds, with step-by-step examples and practice.

Master place value, line up numbers by place value, and subtract by hand using borrowing when needed. Practice with pencil-and-paper problems to build subtraction fluency.

Learn to subtract numbers using the TI 30 XS calculator. Enter the first number, press the minus key, enter the second number, and press enter to find the difference.

Master subtraction word problems with a five-step method: read, identify numbers, write the subtraction expression, solve, and state the final answer with units, using keywords like difference and minus.

Learn to use the TI 36 calculator to multiply numbers, using the times key and enter to obtain products like 6×3=18 and 42×19=798.

Learn how division means splitting a number into equal parts and sharing, with key terms dividend, divisor, quotient, and remainder, and see how division relates to multiplication.

Learn long division by hand, setting up the dividend inside the division symbol and the divisor outside, then divide, multiply, subtract, bring down digits, and check your quotient and remainder.

Master division with the TI 30 XS calculator by entering the dividend, division key, divisor, and enter to obtain the quotient. Practice with examples from the caption to reinforce accuracy.

learn to solve division word problems by reading carefully, identifying the dividend and divisor, setting up division equations, and checking your answer to ensure each group receives an equal share.

Learn how to find multiples by multiplying numbers and skip counting, then check divisibility by remainders and preview the least common multiple in the next lesson.

Learn a step-by-step method to find the least common multiple for two or more numbers. List multiples and identify the smallest shared multiple for adding and subtracting fractions.

Learn to solve word problems by finding the least common multiple, using steps like listing multiples and checking your answer, with examples of Emily and Alex coordinating activities.

Learn to find the greatest common factor of two or more numbers using factor trees and prime factorization, with a step-by-step method and practical examples.

Master the distributive property by learning how to distribute multiplication over addition and subtraction. Explore examples and practice problems that show a(b+c) = ab+ac and a(b−c)=ab−ac.

Master unit rates by identifying the quantity and unit, dividing to find the rate, and applying it to real-world problems like cost per item and speed.

Master proportions to solve real-world problems by setting up and solving ratios, cross-multiplying, and converting units—from feet to inches, and from milliliters to liters, to pounds to ounces.

Master the conversion between improper fractions and mixed numbers. Use division to form the whole part and remainder, with the denominator unchanged.

Convert between improper fractions and mixed numbers with a TI 30 XS Multiview calculator, using the n over d button and the x times ten to the nth power.

Add like and unlike fractions by using common denominators, converting to equivalent fractions, and simplifying. Apply these steps with everyday examples such as pizza slices and painting a fence.

learn to multiply fractions and mixed numbers using step-by-step numerator and denominator multiplication, simplify by greatest common factor, convert mixed numbers to improper fractions, and apply to real-world problems.

Master division of fractions and mixed numbers by using keep-switch-flip, flipping to reciprocals, converting mixed numbers to improper fractions, and simplifying through practical examples and guided practice.

Master decimal place values by identifying the whole and decimal parts around the decimal point, reading digits from tenths to thousandths, and using expanded and equivalent decimals.

Master decimal rounding by applying the five-or-more rule to the nearest place value, using real-world examples with money and measurements, and practicing with step-by-step problems.

Master how to multiply decimals using real-world pricing at a farmer's market, learn the ten-based decimal shortcut, count decimal places, and apply leading and trailing zero simplifications for accurate costs.

Master decimal division by moving the decimal point, converting divisors to whole numbers, and applying the division house concept to compute quotients, including real-life splitting of bills.

Learn to convert fractions and mixed numbers to decimals for quick shopping comparisons and calculations, using division, proper and improper fractions, repeating decimals, and two conversion methods.

Learn to convert fractions and mixed numbers to decimals with the TI 30 XS Multiview calculator, using direct division, n over d, and fraction-to-decimal modes, including repeating decimals.

Learn to compare and order fractions and decimals by converting fractions to decimals, lining up decimals, and comparing digits left to right, with guided practice problems.

Master converting between fractions and percentages with a TI 30 XS Multiview calculator by dividing numerators by denominators, converting decimals to percentages, and using the fraction and percent functions.

Learn to solve percent word problems using proportions and the percent formula to find percent, part, or whole. Practice includes cross-multiplication and real-world examples to verify answers.

Convert percentages to decimals using division by 100 or the calculator's percentage function, with examples like 6%, 4.3%, and 4.5%, and apply the method to simple interest calculations.

Learn to multiply and divide positive and negative integers using a TI 30 XS Multiview calculator, with step-by-step input methods and practice problems.

Learn to evaluate exponents on the TI 30 XS Multiview by entering base and exponent with the up caret or squared button, including negative exponents and parentheses for negative bases.

Learn how exponents affect negative numbers, including when the base is inside parentheses and when the negative sign is outside, with rules for odd and even exponents.

Master square roots with the TI 30 XS Multiview by pressing second, then square, entering numbers, and using the toggle for decimals; learn with integers, fractions, and negatives.

Learn how to simplify non-perfect square roots by factoring out perfect squares, identify the largest square factor, combine like roots, and perform addition, subtraction, multiplication, and division of square roots.

Learn fractional exponents by converting to roots and powers; rewrite x to the a over b as the bth root of x to the a, using inside-out or outside-in evaluation.