See what we can offer to your school
"SimpleStudy just makes sense...”
Get the best plan for your school
12 cards from this deck
Finding its value by substituting numbers for variables
3×x3 × x3×x
x×xx × xx×x
2×a×a2 × a × a2×a×a (square first, then multiply by 2)
Always square before you multiply
444 (positive, not negative)
(−2)2=4(-2)^2 = 4(−2)2=4, but −22=−4-2^2 = -4−22=−4
BODMAS or PEMDAS
Always use brackets to avoid sign errors
181818 (not 363636). Do 2(9)=182(9) = 182(9)=18
666
Work step by step, show your working clearly
Select your subjects, and get access to A+ resources today.