What is prealgebra? Prealgebra Intro to Prealgebra What is prealgebra? Questions How many millimeters are in 1.3 kilometers? How do you evaluate the expression 3x+2y+4+9y3x+2y+4+9y if x=8x=8, y=4y=4? How do you simplify -2[7.5 + (-7.9)]−2[7.5+(−7.9)] using order of operations? How do you simplify 7+9times3-25 7+9×3−25 using order of operations? How do you simplify 5+ 7(8 ÷ 4 ) + 6 5+7(8÷4)+6 using PEMDAS? What is Pre-algebra? Is Pre-Algebra important? How do you write the algebraic expression: the quotient of 15 and y? How do you write 63/40 as a decimal? How do you simplify 3/12 - 1/8312−18? How do you write 2/525 as decimal? What is .15 divided by 12.87? Daniel spent 4/646 of his pocket money in one day. If he spent $138$138 on that day, how much money did he start with? Which is greater 72 inches or 2 yards? Arrange in ascending order: 0.48, 2/3, 16.05, 3/5, 0.0050.48,23,16.05,35,0.005? Intro to Prealgebra View all chapters What is prealgebra? Algebra vs. Prealgebra Next