Math › Lessons

Math Lessons.

Each one opens straight away. The method is read aloud one step at a time, with a full worked example, and the questions send your student back into the steps rather than leaving them to guess.

21 lessons available

Math 7 · U1-L1 A Plan for Problem Solving Four steps that work on any problem, including the ones nobody sets you.
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Math 7 · U1-L2 Estimation Strategy: Using Rounding Rounding turns a messy sum into a fast, close-enough answer you can trust.
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Math 7 · U1-L3 Estimation Strategy: Using Patterns One easy multiplication or division fact, stretched into an estimate for a much bigger one.
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Math 7 · U1-L4 Problem-Solving Strategy: Determine Reasonable Answers A calculator can be wrong. Estimating first is how you catch it.
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Math 7 · U1-L5 Problem-Solving Strategy: Choose the Method of Computation Two questions to ask before you touch the numbers, and why the same problem can need two different answers.
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Math 7 · U1-L6 Problem-Solving Strategy: Classify Information A word problem is a pile of facts in a paragraph. Sort them first, and one of them usually turns out not to matter.
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Math 7 · U1-L7 Order of Operations Two students, one problem, two different answers. The order of operations is what settles the argument.
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Math 7 · U1-L8 Variables and Expressions A babysitter who can't quote a price until the night is over, and the letter that lets her write one anyway.
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Math 7 · U1-L9 Powers and Exponents Why a number times itself is called squared, found on a bathroom floor, and the small raised number that saves you writing it out.
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Math 7 · U1-L10 Solving Equations Mentally Tammy has $14 in an envelope and no idea how many hours it was for. An equation, a few good guesses, and one fact she already knew.
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Math 7 · U1-L11 Unit 1 Review: Tools for Problem Solving Ten lessons, one plan. Every tool from the unit, filed under the step of the four-step plan where you actually use it.
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Math 7 · U2-L1 Comparing and Ordering Decimals An Olympic medal decided in the thousandths, a tie for bronze, and the one habit that tells you which decimal is bigger.
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Math 7 · U2-L2 Rounding Decimals A roller coaster clocked at 64.77 mph, a sign that says 65, and the one digit that decides which way a number rounds.
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Math 7 · U2-L3 Estimating with Decimals A self-checkout total that's off by more than twenty dollars, and the ten-second estimate that catches it.
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Math 7 · U2-L4 Multiplying Decimals Every key on a piano is the one below it times about 1.06. Multiplying decimals, and two ways to know where the point goes.
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Math 7 · U2-L5 Powers of Ten The moon is 2.39 times ten to the fifth miles away. How to turn that into a number you can say, in your head, in one move.
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Math 7 · U2-L6 Scientific Notation Mercury is 36,000,000 miles from the sun, and nobody wants to count those zeros. Scientific notation, and back again.
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Foundations · U0-L1 Long Division Divide, multiply, subtract, bring down. Worked through one digit at a time.
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Foundations · U0-L2 Long Division With Remainders Divide, multiply, subtract, bring down. This time something's left over at the end.
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Integers · U7-L4 Adding Integers Two rules cover every case. Which one you use depends on whether the signs match.
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Integers · U7-L5 Subtracting Integers No new arithmetic. Turn it into an addition, then use the rules you already have.
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