﻿ Adding Together Year 1 Addition and Subtraction Learning Video Clip | Classroom Secrets ## Step 8: Adding Together Year 1 Addition and Subtraction Learning Video Clip

Dot the Dinosaur is out exploring when she sees smoke in the distance. It looks like a volcano is about to erupt! Help Dot save the day using your knowledge of addition before it’s too late!

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1.How many stones will Dot take altogether?
Discuss the use of part-whole models. Remind children of what they are and how to use them. What facts are we given? What number bond will this create?
9 stones in total. Ensure children understand why it is important for 9 to go on the top circle. 2.How could this be shown using a part-whole model?
Discuss the use of part-whole models. How can we use the facts from the previous question to create a part-whole model of our own? Does it matter where the numbers go within the part-whole model?
1 more stone.

3.How many more stones will she need if she wanted to take 10 stones in total?
Discuss using the knowledge gained from the previous question. Which number bond will we need to create now? 4.How many stones and boulders could Dot have taken? Use the 10 frame to help you.
Discuss and remind children on how 10 frames work. Using what is shown to you, how could we create different number bonds to 6? What could this tell us about the number of stones and boulders Dot has decided to carry?
Accept various possibilities, as long as the combination of boulders have at least 1 of each and total 6 altogether. Various answer, for example: 3 boulders and 3 stones. 5.How many eggshells could she carry on each horn?
Discuss the use of the ‘ = ’ symbol. What does this mean? Using the given facts Dot has shared, what number bonds could be used to create 7?
Accept various answers, as long as the number bonds total 7. Various answers, for example: 7 = 5 + 2, 7 = 4 + 3, 7 = 3 + 4

6.If Dot was able to carry 9 eggshells in total, how many could she carry on each horn?
Discuss the use of the ‘ = ’ symbol. What number bonds could be used to create 9? Discuss whether it matters where the ‘ = ’ sign goes?
Accept various answers, as long as the number bonds total 9. Various answers, for example: 7 + 2 = 9, 5 + 4 = 9, 8 + 1 = 9

National Curriculum Objectives

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

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

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