Solving Simultaneous Equations (Parent Q&A)
This guide explains the main ideas from the lesson on solving simultaneous equations. Open Full Article...
algebraic reasoning
Solving Simultaneous Equations
If two equations describe the same two unknown quantities, how can both equations help us pin down one exact pair of values? Open Full Article...
Finding Rules for Number Sequences (Parent Q&A)
This guide explains the main ideas in the lesson about number sequences and arithmetic sequences. Open Full Article...
Finding Rules for Number Sequences (Teach This Topic)
This guide supports the finished lesson on sequence positions, term values, common differences and nth-term rules. Open Full Article...
Finding Rules for Number Sequences
If a sequence continued for a thousand terms, could its thousandth term be identified without writing out the other 999? Open Full Article...
Converting Recurring Decimals into Fractions (Parent Q&A)
This guide supports parents explaining how recurring decimals can be converted into exact fractions. Open Full Article...
Converting Recurring Decimals into Fractions (Teach This Topic)
This guide supports a home lesson on converting exact recurring decimals into fractions. Open Full Article...
Converting Recurring Decimals into Fractions
If 0.333333... never ends, how can it be exactly equal to the simple fraction 1/3? Open Full Article...
Reverse Percentages Explained: Finding the Original Value (Parent Q&A)
This guide explains how to find an original amount when a final amount and a percentage change are known. Open Full Article...
Reverse Percentages Explained: Finding the Original Value (Teach This Topic)
This guide supports teaching reverse percentages: finding an original value when the final value and percentage change are known. Open Full Article...