Number Bonds within 10 Year 1 Addition and Subtraction Learning Video Clip

Step 4: Number Bonds within 10 Year 1 Addition and Subtraction Learning Video Clip

Dot the Dinosaur visits the stream and finds different insects. She needs your help to learn her number bonds within 10 on her new adventure!

More resources for Autumn Block 2 Step 4.

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Discussion points for teachers

1. Write three number bonds for the ants. Discuss what number bonds are. Discuss what the ants represent. Discuss what three number bonds can be written. Discuss and compare the number bonds that are different to your peer. Discuss how some bonds contain the same numbers in a different order.
   Various answers, for example: 0 + 4 = 4; 1 + 3 = 4; 2 + 2 = 4
2. Is Dot the Dinosaur correct? Explain why. Discuss how many number bonds number sentences can be made for the butterflies. Discuss why Dot is correct or incorrect. Discuss and justify your reasoning.
   Dot is incorrect because there are nine number bonds to 8
3. What are the number bonds for the lily pads? Discuss and identify the number of lily pads. Discuss the different number bonds that can be written for the lily pads.
   0 + 7 = 7; 1 + 6 = 7; 2 + 5 = 7; 3 + 4 = 7; 4 + 3 = 7; 5 + 2 = 7; 6 + 1 = 7; 7 + 0 = 7
4. Two lily pads have floated away. What are the number bonds now? Discuss and identify the number of lily pads now. Discuss how many number bonds sentences they are now. Discuss how this is different to the previous question.
   0 + 5 = 5; 1 + 4 = 5; 2 + 3 = 5; 3 + 2 = 5; 4 + 1 = 5; 5 + 0 = 5
5. What could the total be for each pile? Discuss the various answers for this question. Discuss the restrictions to this question following the information given. Discuss what the values could be. This question is open-ended for children to explore.
   Any number between 4 and 9.
6. Write three number bonds for each pile. Discuss what the number bonds could be. Discuss what three number bonds can be written. This question is open-ended for children to explore.
   Accept answers that are number bonds for the numbers given in the previous question. Various answers, for example: 1 + 5 = 6; 2 + 4 = 6; 3 + 3 = 6 and 1 + 7 = 8; 2 + 6 = 8; 3 + 5 = 8.

Optional discussion points:
What other objects can be counted? What are the number bonds for these representations? How are the number sentences different or similar when finding the number bonds for the same number?

National Curriculum Objectives

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

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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