6. Every number has a place.2 5

7. And every place has a name.
tens
You cannot have more than 9 here.
ones
This is the ones place.
This is the tens place.
or here

8. How many cubes are there?25

9. Put 25 in the ones place.
tens
ones

10. tens ones We can regroup (put cubes together) to make groups of ten.
Oh no! There are too many in the ones place!
We can regroup (put cubes together) to make groups of ten.
What should we do?
tens
ones

11. tens ones There are still too many ones. Make another group of ten.
Now there is 1 group of ten and 15 ones.
tens
ones

12. tens ones Now there are 2 groups of ten and 5 ones.
Can we make another group of ten?
No.
Now there are 2 groups of ten and 5 ones.
2 tens and 5 ones = 25
tens
ones

14. ____ tens + ____ ones = _____5 5 55
tens
ones

15. ____ tens + ____ ones = _____3 8 38
tens
ones

16. ____ tens + ____ ones = _____4 2 42
tens
ones

17. ____ tens + ____ ones = _____9 9
tens
ones

18. ____ ten + ____ ones = _____1 6 16
tens
ones

19. Part 1

20. We know we can show numbers with cubes.
tens
ones

21. We also know how to show numbers as tens and ones.
2 tens + 5 ones = 25

22. tens ones 2 tens + 5 ones = 25 20 + 5 = 25 Expanded Form 2 tens = 20

23. Let’s Review Numeral Words Cubes Tens and Ones Expanded Form 25
twenty-five
Cubes
Tens and Ones
2 tens
5 ones
Expanded Form
= 25

24. Part 2

25. Now, let’s make a different addition sentence.
tens
ones

26. First, move a group of ten to the ones place.
Take it apart.
tens
ones

27. Do we still have 25 cubes?
Yes!
tens
ones

28. Now there is one group of ten and 15 ones.
What changed?
Now there is one group of ten and 15 ones.
1 tens
15 ones

29. Write the addition sentence.
1 tens
15 ones
= 25

30. Try it another way.
0 tens
25 ones
= 25

31. 25
= 25
= 25
= 25

32. You can show the same information in a chart.
= 25 20 5 10 15
= 25 25
= 25

33. Titles made with “Funky Chicken” alphabet from Lettering Delights
I hope you enjoyed this presentation brought to you by truthseeeker832!
Titles made with “Funky Chicken” alphabet from Lettering Delights
Border from Robyn Hyndman
“Words to Know” vocabulary cards made by trutheeker832. Visit my store for other math vocabulary cards.
Titles in vocabulary cards made with “Something Fishy” alphabet from Lettering Delights