Excellence SchoolAT THE SUMMIT, YOU WILL BE ABLE TO
EXCELLENCE SCHOOL
Grades 6 to 8 Math
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Middle-school math you work by hand: unit prices and the percent behind every tax, tip and stacked discount, dividing fractions, negative numbers on a line, a plane and a bank register, equations and inequalities that flip, exponents and scientific notation from nanometers to the Sun, proportional lines you draw, area and volume from boxes to cones, a² + b² = c² on a ladder, box plots and the odds of double sixes.
3h 14m5 constellations
01Find unit rates and compare unit prices
02Solve percent problems: tax, tips, discounts, change and interest
03Divide fractions and compute with negative numbers
04Set up and solve equations and inequalities
05Write numbers in scientific notation
Every lesson of Grades 6 to 8 Math
15 lessons in 5 levels, about 3 hours. Level 1 is free.
Level 1Ratios, Rates and PercentFree · 3 lessons
- Ratios and Unit RatesDescribe a ratio, find a unit rate, and use it to compare prices and scale up amounts.12 min
- Percent: Tax, Tips and DiscountsFind a percent of an amount, find the whole from a part, and check a receipt line by line.13 min
- Checkpoint: Percent Change and InterestFind a percent increase or decrease and simple interest, and use a ratio to convert units.13 min
Level 2Fractions and Signed NumbersMembership · 3 lessons
- Dividing FractionsDivide fractions by multiplying by the reciprocal, and say what the answer means.12 min
- Negative Numbers and Absolute ValuePlace negative numbers on a line and a plane, order them, and read absolute value as size.12 min
- Checkpoint: Math with Signed NumbersAdd, subtract, multiply and divide signed numbers, and use them for real changes.13 min
Level 3Equations, Powers and ProportionsMembership · 3 lessons
- Equations and InequalitiesTurn a word problem into an equation or an inequality, solve it, and read what the answer means.13 min
- Exponents and Scientific NotationUse the exponent rules, and write very large and very small numbers as a number times a power of 10.13 min
- Checkpoint: Proportional or Not?Spot a proportional relationship in a table, a graph or an equation, and read its unit rate as a slope.13 min
Level 4Area, Volume and Right TrianglesMembership · 3 lessons
- Area, Surface Area and VolumeFind the area of triangles and polygons, and the surface area and volume of boxes.13 min
- Circles, Cylinders, Cones and SpheresUse π for a circle's circumference and area, and for the volumes of cylinders, cones and spheres.13 min
- Checkpoint: Angles, Roots and Right TrianglesFind missing angles, estimate square roots, and use the Pythagorean theorem for real distances.14 min
Level 5Data, Chance and the Final TestMembership · 3 lessons
- Center and SpreadSummarize data with the mean, the median, the MAD and a box plot, and choose the measure that fits.13 min
- Probability: Simple and CompoundFind probabilities from equally likely outcomes, predict frequencies, and count compound outcomes.13 min
- The Grades 6 to 8 Math TestUse the whole path: rates, percent, signed numbers, inequalities, powers, geometry, data and chance.14 min
AFTER THE CORE