Two hands hold ten fingers. Now watch my hands carefully. How many fingers stayed folded down? How did you know so fast?
A bond of 10 is a pair of numbers that join to make exactly ten, like 6 and 4. Four ten-frames are on the board. Each one has some counters already in place. Look at the empty spaces: they show the missing friend that makes ten.
For each frame, say the pair aloud: the counters that are in, and the empty spaces that make the friend.
Some counters are already in the frame. One pupil at a time works at the board. Everyone else watches the empty spaces and says the pair together.
On the board you can see 6 + 4 = 10. In your maths copy, write two different pairs that make 10, like that.
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