State the place value of digits in two-digit numbers, eg 'In the number 32, the "3" represents 30 or 3 tens'

1. Numbers Break-Up: 25=20+?
2. Numbers Break-Up: 13 = 10 and ?
3. Numbers Break-Up: 18 = 10 and ?
4. Numbers Break-Up: 27 = 20 and ?
5. Numbers Break-Up: 24 = 20 and ?
6. Numbers Break-Up: 16 = 10 and ?
7. Numbers Break-Up: 15 = 10 and ?
8. Numbers Break-Up 10 plus 9
9. Numbers Break-Up 10 plus 3
10. Numbers Break-Up 10 plus 6
11. Numbers Break-Up 10 plus 7
12. Numbers Break-Up 10 plus 8
13. Numbers Break-Up! 29 = 20 + ?
14. Numbers Break-Up! 26 = 20 + ?
15. Numbers Break-Up! 38 = ? + 8
16. Numbers Break-Up! 44 = ? + 4
17. Numbers Break-Up! 51 = 50 + ?
18. Numbers Break-Up! 37 = ? + 7