Look at the domino with the same count on both ends, and the butterfly with matching wings. What do you notice about the two sides?
A double is the same number twice: two matching parts.
Look: the same number of red counters and yellow counters. What total do they make?
For the last one, say the total before we reveal it.
Now make the doubles on your own ten frame. Copy the red counters from the board. Then put in the same number of yellow counters. Count them all and say the double out loud.
We will make double 2, double 3, double 4 and double 5.
In your maths copy, write these two doubles, one under the other:
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