NARRATOR: Yes, that is quite a hard sum. It might be easier if we separate the 17 into a 10 and a 7, and the 14 into a 10 and a 4. That gives us a 10, a 10, a 7 and a 4. Let's start by adding the ...
Let’s see if you’ve got enough. Why don’t you start by counting up the astro bugs? 1… 2… 3. Then the space grubs. That’s 1… 2… 3… 4… 5. Now all ...
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