Overview - hamiltontrust-live-b211b12a2ca14cbb94d6-36f68d2 ...

Simplify and manipulate algebraic expressions to maintain equivalence by collecting like terms. Substitute numerical values into expressions. Lesson 2: Numeracy and problem solving: Investigation: Four of the Best (involving revision of adding decimals). ... (e.g. two blue envelopes, a red envelope and another 6 counters as x + 2y + 6 ... ................
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