MathsYear 1Autumn Block 2 (Addition and Subtraction)16 Finding the Difference › Finding the Difference Year 1 Addition and Subtraction Learning Video Clip

Finding the Difference Year 1 Addition and Subtraction Learning Video Clip

Counting Back Year 1 Addition and Subtraction Learning Video Clip

Step 16: Finding the Difference Year 1 Addition and Subtraction Learning Video Clip

Dot and Stan continue their adventures in different environments. Today, they look at finding the difference between different objects including: twigs, leaves, plants, stones and berries. Help Dot and Stan find the difference between the different objects they collect on their new adventure!

More resources for Autumn Block 2 Step 16.

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Discussion points for teachers

1. How many more rocks does Stan have than Dot?
Discuss what rocks are. Discuss how many rocks Stan and Dot have each. Discuss the difference between both the amounts. Discuss who has more and who has fewer.
2

2. What is the difference between the number of leaves they both have?
Discuss what leaves are and how many leaves Stan and Dot have each. Discuss what ‘difference between’ means. Discuss who has more and who has fewer. Discuss how they know.
4

3. Are they correct? Explain why.
Discuss how many twigs Dot has. Discuss how many twigs Stan has. Discuss what the difference between each amount is and discuss if the statement is correct.
No they are incorrect because Dot has 3 fewer twigs than Stan.

4. Complete the bar model to show the difference between the total number of frogs and those on lily pads.
Discuss what the different parts of the bar model represent. Discuss what fewer means. Discuss how many lily pads and frogs there are. Discuss which one is fewer and how they know.
2 frogs are not on lily pads.

5. How many more mangoes does Stan have than Dot?
Discuss what mangoes are and how many mangoes Stan and Dot have. Discuss what more means. Discuss who has more and how they know.
1

6. How many coconuts could Dot and Stan have each?
Discuss how many leaves Dot and Stan could have now. Discuss how to use the number line to find the answer. Discuss the different combinations of amounts. This question is open-ended for the children to explore.
Various answers, for example: Dot 3, Stan 5

National Curriculum Objectives

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

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

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