Ready?

I see 60 green and 40 white. 60 is 6 (10). Six tens. 40 is 4 (10). Four tens

60 + 40 = 100 40 + 60 = 100 60 = 30 + 30 60 = 20 + 40 60 = 40 + 20 60 = 10 + 50 60 = 50 + 10

Ready?

I see 55 green and 35 white. 5 (10) + 5 3 (10) + 5 55 + 35 = 100

If 50 + 5 = 55 Then 20 + 35 = 55 and 40 + 15 = 55 30 + 25 = 55 I can see it in the blocks.

Ready?

3 (10) 30 purple 7 (10) 70 orange 30 + 70 = 100 70 + 30 = 100 70 = 50 + 20 70 = 40 + 30 70 = 20 + 50

Ready?

6 (10) + 5 (1) 65 3 (10) + 5 (1) 35 65 + 35 = 100 65 = 50 + 15 65 = 40 + 25 65 = 15 + 50

Ready?

7 (10) = 70 7 tens seventy 50 + 20 20 + 50 40 + 30 30 + 40

Ready?

4 (10) + 5 (1) 45 5 (10) + 5 (1) 55 45 + 55 = 100 45 = 30 + 15 45 = 40 + 5 45 = 15 + 30 45 = 20 + 25

Ready?

2 (10) = 20 blue 8 (10)= 80 yellow 20 + 80 = 100 80 + 20 = 100 80 = 60 + 20 80 = 50 + 30 80 = 10 + 70

Ready?

4 (10) + 5 (1) 45 yellow 5 (10) + 5 (1) 55 blue 55 + 45 = 100 45 + 55 = 100 55 = 30 + 25 55 = 40 + 15 55 = 20 + 35