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4 Add the numbers on the number line.
(a) 1 + 4 = 5
0 1 2 3 4 5 6 7 8 9
(b) 3 + 6 =
0 1 2 3 4 5 6 7 8 9
(c) 2 + 6 =
0 1 2 3 4 5 6 7 8 9
(d) 5 + 4 =
0 1 2 3 4 5 6 7 8 9
(e) 7 + 1 =
0 1 2 3 4 5 6 7 8 9
(f) 2 + 5 =
0 1 2 3 4 5 6 7 8 9
Adding Zero and One
How many coins do I have
in my palm?
That’s simple. There are
zero coins.
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