Starter quiz
- A number is in ______ form when it is displayed as one integer divided by another integer.
- 'fractional' ✓
- Which of the following are types of engineering?
- Agricultural ✓
- Mechanical ✓
- Operational
- Systems ✓
- Water
-
- ______ states that the sum of the squares of the two shorter sides of a right-angled triangle is equal to the square of the hypotenuse.
- 'Pythagoras’ theorem' ✓
- If the two shorter sides in a right-angled triangle have lengths 3 cm and 4 cm, what is the length of the longest side?
- '5 cm' ✓
- If the two shorter sides in a right-angled triangle have lengths 5 cm and 12 cm, what is the length of the longest side?
- '13 cm' ✓
- If the longest side of a right-angled triangle is 29 cm in length, and one of the shorter sides has a length of 21 cm, what is the length of the third side?
- '20 cm' ✓
Exit quiz
- Half of a half is a ______.
- quarter ✓
- fifth
- tenth
- sixteenth
-
- The width of three adult human thumbs is approximately ______ inches long.
- 2
- 3 ✓
- 4
- 5
- 6
-
- How many inches are there in a foot?
- 5
- 10
- 12 ✓
- 24
-
- A ______ was often a five-foot folding rule.
- Carpenter's Rule ✓
- Mason’s Rule ✓
- Plumber’s Rule
- Workman's Rule
-
Is the wall upright?- No because $$15^2 + 8^2 eq 17^2$$
- No because
- Yes because $$15^2 + 8^2 eq 17^2$$
- Yes because ✓
-
Is the wall upright?- No because $$9^2 + 12^2 eq 16^2$$ ✓
- No because
- Yes because $$9^2 + 12^2 eq 16^2$$
- Yes because
-
Worksheet
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Presentation
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Video
Lesson Details
Key learning points
- Fractions are more useful when dealing with imperial measurements
- Pythagoras' theorem is used when considering force diagrams
- Standard form is used when considering especially large or small forces
Common misconception
Pupils mix-up the sides of the right-angled triangle when using Pythagoras' theorem.
Pupils may benefit from labelling the right-angled triangle so that the hypotenuse is clearly identified.
Keywords
Fractional form - A number is in fractional form when it is displayed as one integer divided by another integer.
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