Reviews and practice for fifth grade. Each page explains one method or one topic, works through examples, and ends with questions you can check yourself. Nothing is scored and nothing is recorded.
Mathematics
Fifth grade · MathematicsArea
Area counts how many unit squares cover a surface. Every area formula later on is a shortcut for that...
Fifth grade · MathematicsEstimating multiplication
Three ways to estimate a product, and a way to know before you calculate whether your estimate is too...
Fifth grade · MathematicsFractions, decimals and percents
Three ways of writing the same quantity. Once the conversions in both directions are automatic, a lot...
Fifth grade · MathematicsMagnitude estimates
Not what the answer is, but how big it is. A magnitude estimate is the cheapest way to catch an answer...
Fifth grade · MathematicsMental division
Three habits that make division doable without paper: split the dividend, halve twice instead of...
Fifth grade · MathematicsPartial-quotients division
Also called the friendly-numbers method. You subtract easy multiples of the divisor as many times as...
Fifth grade · MathematicsRounding numbers
Find the place you are rounding to, look at the one digit on its right, and decide. Everything after...
Fifth grade · MathematicsVolume
Volume counts unit cubes the way area counts unit squares. Thinking of it as stacked layers makes the...
Science
Fifth grade · ScienceAnimal growth and reproduction
Life cycles differ enormously, but every one is a way of getting from one generation to the next with...
Fifth grade · ScienceAstronomy: the earth, moon and sun
Rotation gives day and night. Tilt gives the seasons. Almost every mistake in this topic comes from...
Fifth grade · ScienceClimate
Climate is the long-run pattern, not today's sky. Latitude, altitude, distance from the sea and ocean...
Fifth grade · ScienceEnergy flow through an ecosystem
Energy enters as sunlight and leaves as heat. Most of it is lost at every step, which is why food...
Fifth grade · ScienceExtinction
A species is extinct when its last member dies. Most species that have ever lived are extinct, and the...
Fifth grade · ScienceMinerals, rocks and soil
Minerals are the ingredients and rocks are the mixture. The three rock types are defined by how they...
Fifth grade · ScienceNatural cycles
Matter cycles and gets reused. Energy flows through once and leaves. Keeping those two straight...
Fifth grade · ScienceOrganisms in an ecosystem
Every organism in an ecosystem has a role and an address. The role is its niche, the address is its...
Fifth grade · ScienceThe earth's crust and landforms
Two opposing processes shape every landscape. Plate movement builds land up, and weathering and erosion...
Fifth grade · ScienceWeather: air masses, fronts and instruments
Weather is what the atmosphere is doing now. Almost all of it starts with the same fact: the sun does...
Other grades
Methods do not stop at a grade boundary. A fourth grade class often revisits a third grade subtraction page, and a sixth grade class still uses the multiplication pages.