Reason From Known Facts Year 6 Four Operations Learning Video Clip

Step 15: Reason From Known Facts Year 6 Four Operations Learning Video Clip

Buzz has been sent on a secret mission to Planet Glowborg. Help him to overcome the problems he faces using reasoning from known facts!

More resources for Autumn Block 2 Step 15.

Not a member? Sign up here.

Discussion points for teachers

1. Which is the robot that Buzz needs to find?
Discuss the answers to each of the calculations displayed on the robots and decide which has the same answer. Discuss how the answer can be reached more quickly by reasoning from known facts. Discuss the links between the different calculations and how we can see which ones share an answer and which ones do not.
Robot 2

2. Why has the robot not released the map?
Discuss the answer that Buzz has given and why this is incorrect. Discuss how we can work out the correct answer to the riddle by using known facts and knowledge of place value.
The robot has not released the map because Buzz has given the incorrect answer. The correct answer is 316.

3. If it takes 14.5 minutes to travel 1 mile on Planet Glowborg, will it take Buzz more or less than 2 hours to get there?
Discuss how long it will take (in minutes) for Buzz to travel 10 miles. Discuss how we can convert this to hours. Discuss whether 140 minutes is more or less than 2 hours.
More than 2 hours.

4. Which tile is the odd one out? Explain why.
Discuss which tiles link to the original number sentence. Discuss which tile does not link to the original number sentence and/or is not correct. Discuss whether the same numbers can be used in any order within a number sentence.
The tile with the calculation 6.5 ÷ 13 = 2 is the odd one out because it is incorrect.

National Curriculum Objectives

Mathematics Year 6: (6C8) Solve problems involving addition, subtraction, multiplication and division

This resource is available to play with a Premium subscription.