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Note: The symbols may be slightly different. Use the subtle differences in the images in working out your answer.
This puzzle is adapted from puzzlebrain.com.
What do you notice about the patterns in these calculations?
Can you explain why this pattern occurs?
This lesson is about moving between algebraic equations and the statements that they represent. This activity should be given to the class as a formative assessment activity: it is designed to provide the teacher with information about the learners’ current levels of understanding.
During a short introduction the teacher emphasises the importance of defining […]
What is the weight of a single sheet of paper?
What is the weight of the envelope?
If w is the weight of the letter (including the envelope) and s is […]
In some countries temperature is measured in degrees Celsius (originally called degrees Centigrade) and in other countries it is measured in degrees Fahrenheit.
Draw a graph […]
The letters A, B, C, D, E, F, G and H correspond to the numbers from 0 to 7 with no repetitions.
Use the clues that A+C=A and F×D=F to find the values of two letters.
Use the clues A+H=E […]