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MathsYear 1Spring Block 1 (Addition and Subtraction)07 Related Facts › Consolidation of Step 7-8 Year 1 Addition and Subtraction Learning Video Clip

Consolidation of Step 7-8 Year 1 Addition and Subtraction Learning Video Clip

Consolidation of Step 7-8 Year 1 Addition and Subtraction Learning Video Clip

Step 7-8: Consolidation of Step 7-8 Year 1 Addition and Subtraction Learning Video Clip

It’s the day of the joust and Kev, our trainee knight, is busy helping to ensure everything runs smoothly. He has to check the number of visitors in the castle grounds and with Princess Petra’s help, work out related calculations. He must also work out how many people are seated in the stands and then, there is a surprise for Kev during the joust when the scores are compared!

This Learning Video Clip has been designed as a consolidation tool for steps 7 and 8. It contains content relevant to all these steps and can be used in parts to recap a particular step or in on its own at the end of a teaching sequence for the included steps.

More resources for Spring Block 1.

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Discussion points for teachers

1. Kev writes down his calculation. Do you agree with him?
Discuss the number sentence that Kev has written and discuss what is wrong with it.
Kev is correct. The correct calculation would be 18 – 5 = 13.

2. Help Petra complete the related facts.
Discuss the calculations that Petra has written. Discuss their relation to each other and complete the number sentences, identifying related facts along the way.
18 – 5 = 13; 18 – 13 = 5; 5 + 13 = 18; 13 + 5 = 18

3. Write some addition and subtractions sentences to match the stand.
Discuss the calculation that could be created and the related facts to each other.
12 + 4 = 16; 4 + 12 = 16; 16 – 4 = 12; 16 – 12 = 4

4. Which comparison symbol should be used?
Discuss the number sentences and the answers either side of the comparison symbol. Discuss the comparison symbol to use.
9 + 6 = 7 + 8

5. Spot the mistake that Sir Igor has made.
Discuss the comparison symbols used.
3 + 6 > 2 + 5, 9 + 3 > 7 + 2

6. Where should the cards go to make the number sentences correct?
Discuss the ways the number sentences could be completed.
Various answers, for example: 3 + 6 > 2 + 5; 9 + 3 > 7 + 2; 5 + 12 > 9 + 6

National Curriculum Objectives

Mathematics Year 1: (1C2a) Add and subtract one-digit and two-digit numbers to 20, including zero

Mathematics Year 1: (1C4) Solve one-step problems that involve addition and subtraction, using concrete objects and pictorial representations, and missing number problems such as 7=_________ 9

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