New
New
Year 2
Use a 'First, then, then, now' story to add three addends
I can use a 'First, then, then, now' story to add three addends.
New
New
Year 2
Use a 'First, then, then, now' story to add three addends
I can use a 'First, then, then, now' story to add three addends.
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Lesson details
Key learning points
- A 'First … then … then … now' story can represent an addition with three addends.
- The addition of three addends can be represented as three different objects on a ten frame.
- The addition of three addends can be represented as three steps on a number line.
- The addition of three addends can be represented as an equation.
Keywords
Addends - Any of the numbers that are added together.
First - Before anything else.
Then - After something in time.
Now - At the present time.
Common misconception
Children may not be able to accurately represent the story as an equation.
Ensure that children are able to say what each number represents in a given equation using the story as a scaffold before asking them to write their own equations to represent ‘First, then, then, now’ stories.
Represent augmentation on a number line, clearly demonstrating the two increases in quantity. This representation will prepare children for bridging through ten, covered later.
Teacher tip
Licence
This content is © Oak National Academy Limited (2024), licensed on
Open Government Licence version 3.0
except where otherwise stated. See Oak's terms & conditions (Collection 2).Lesson video
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Starter quiz
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6 Questions
Q1.
Look at the part-part-whole model. What is the missing part?
Q2.
Use number pairs to 10 to solve the equations.
9
5
7
4
2
Q3.
This ten frame represents a story.
First, there were 4 books on the shelf.
Then, 2 more books were added to the shelf.
Now, there are books on the shelf.
Q4.
Which equation represents this story?
First, there were 7 stickers in my book.
Then, I used 6 of the stickers.
Now, there is 1 sticker left in my book.
7 - 1 = 6
6 - 1 = 7
Q5.
This image represents parts and a whole. Which show parts and which shows the whole?
is a part
is a part
is the whole
is a part
Q6.
The ten frame shows a total of 9 counters. What three addends have been added together?
5
1
Exit quiz
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6 Questions
Q1.
Order the sentences to tell the story correctly.
Q2.
Use the ten frames to order the sentences of the story correctly.
Q3.
Look at the part-part-whole model.
Which sentences are true?
There are four addends.
Q4.
This image shows a 'First, then, then, now' story. Which equation represents this image?
3 + 3 + 4 = 10
3 + 4 + 3 = 7
Q5.
Which number line correctly shows this equation? 3 + 5 + 1 =
Q6.
Which equation correctly represents this number line?
2 + 5 + 4 = 9