The Addition Symbol Year 1 Addition and Subtraction Learning Video Clip

The Addition Symbol Year 1 Addition and Subtraction Learning Video Clip

Step 2: The Addition Symbol Year 1 Addition and Subtraction Learning Video Clip

Dot the Dinosaur hears a cry for help in a mysterious cave! Before she knows it, she becomes trapped herself! Help Dot escape by using your knowledge of addition to help her.

More resources for Autumn Block 2 Step 2.

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Discussion points for teachers

1. How many boulders will Dot need to move now?
Discuss what the mysterious carving on top of the cave means. What do you think we will have to do in order to help solve Dot’s problems? How many boulders were there already at the start? How many more have dropped down now?
3 boulders + 5 boulders. Dot will need to move 8 boulders in total.
 

2. How many spikes are there behind Stan?
Discuss the facts that they are given. 4 spikes are already shown to them. How many more would they need to make a total of 7?
There are 3 spikes behind Stan. There are 4 spikes in front of Stan so 4 + 3 = 7
 

3. How many spikes are there altogether now?
Discuss how children can use their knowledge from working out how many spikes are behind Stan from before to add the remaining spike to their number. What is their total now?
There are only 4 spikes left. There is only 1 spike left in front of Stan so 1 + 3 = 4
 

4. How many bats are there now?
Discuss the language ‘plus’ and what it means. Discuss how to write a number sentence, how many bats there were originally and how many in total.
4 + 2 = 6
 

5. How many piles could they each dig?
Discuss how many are needed in total. Discuss the language ‘equal to’. Discuss the different ways that ten can be made. This question is open-ended for children to explore.
Various answers, for example: 4 + 6 = 10
 

National Curriculum Objectives

Mathematics Year 1: (1C1) Represent and use number bonds and related subtraction facts within 20

Mathematics Year 1: (1C2b) Read, write and interpret mathematical statements involving addition (+), subtraction (–) and equals (=) signs

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