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1. Know how many tens in numbers to 1000 (any 3 digit number)
Test Yourself!
How many tens are in these numbers?
17
26
59
70
423
279
810
902
450
608
1000
Book 4/5
Page 200-201
GAME: page 202
2. Know + and - number pairs that make 100 - also called 'Bonds of 100'
What goes with these numbers to make 100?
17 + ? = 100
34 + ? = 100
42 + ? = 100
70 + ? = 100
82 + ? = 100
Now try these
217 + ? = 300
634 + ? = 700
542 + ? = 1000
Book 5
Page 261
GAME: page 262
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