Free Year 4 Fractions Consolidation Steps 1, 2 and 3
Step 1, 2 and 3: Free Year 4 Fractions Consolidation of Steps 1, 2 and 3
Two mad scientists, Professor Arc Voltage and Dr Killa Watt, come up with a scheme to steal the Volcano Bomb from Dame Megaton. In order to steal the bomb, they design a mechanical robot that will help them break into Dame Megaton’s lair. Before they can do that however, they need to order and organise all of their building materials.
This Learning Video Clip has been designed as a consolidation tool for steps 1, 2 and 3. It contains content relevant to all these steps and can be used in parts to recap a particular step on its own at the end of a teaching sequence for the included steps.
More resources for Spring Block 3
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Discussion points for teachers
1. Which of the supplies will they be able to use?
Discuss that fractions need to have equal parts.
A, C and E.
2. Check which parts have an equivalent fraction.
Discuss the fraction that each bar represents and which have the same amount of the bar shaded even if the pieces are differently sized.
Elbow joints and Motor cover; Jaw and Drink holder; 1 step and Foot plate; CPU rack and Seat.
3. Which sheets have had the correct amount of alloy cut from them? Which cannot be used at all?
Discuss the fraction that each bar represents and which have the same amount of the bar shaded even if the pieces are differently sized.
Can be used for the motor heat sink: A, D and G. Can be used for EMP shielding: B and H. Cannot be used at all: C, F, L and J.
4. Help Dr Watt match the electrical systems that consume the same amount of 1 power rod.
Discuss how the similarities and differences to the representations from the previous question and how we can use that to work out which are equivalent fractions.
Shields and CPU; 1 LASER and System Cooling; Escalator and Vision.
5. State which motors can be used to correctly power each part of the robot.
Discuss writing the fractional value of each part of the robot and then checking which are equivalent fractions to the motors.
Eye rotator – F; Knee Joint – D; Foreleg Rotator – D; Escalator Drive – B; Ankle Joint – A; Entrance Valve – B; Windscreen Wipers – E; LASER Rotator – A; Pneumatic Supports - C
National Curriculum Objectives
Mathematics Year 4: (4F2) Recognise and show, using diagrams, families of common equivalent fractions
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