Answer to Question #124733 in Algebra for Sphesihle Zuma

Question

Give the learner's written work to do. Give them about 20 exercises ith the operation sign missing. They must fill in the correct operation sign. Examples: - 480 16=(answer÷)
- 540 9=4 5
- 60 12=72
Concept development (25 minutes)
. Give each group of learners some match sticks. Ask them to build a row of three triangles such as this:(draw this on the board.)


- ask the learners if we can conclude that we need 2 matches to build every triangle. We can, but to close the last ( of first) triangle, we need an extra match:


- if we need to make a pattern of 100 triangles, it is not practical to sit and make all those triangles, so we need to establish a rule.ask the learner's if they can think of a rule. It is (number of triangles ×2)+1.so to make a pattern of 100 triangles, we work out how many matches we need like this:(100×2)+1=201.

Answer 1

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