First Grade Cube Math

First Grade Cube Math consisted of Chapter 25 can learn the principles of addition and subtraction step by step.
First grade students learn math based on the understanding of the concept of number and amount directly manipulate objects or cubes.

- contents-

1. Learn to Count to 9
2. Comparing two numbers
3. Number Partitioning(2~9)
4. Number Bonds(2~9)
5. Adding two numbers
6. Subtracting two numbers
7. Addition sentence -> Subtraction sentence
8. Subtraction sentence -> Addition sentence
9. Commutative law of addition
10. Counting ones and regrouping
11. Counting tens and ones - up to 99
12. Ordering Numbers up to 99
13. Comparing numbers up to 99
14. Sequencing Numbers up to 99
15. partitioning number 10
16. Number Bonds to 10
17. Adding three numbers
18. Subtracting three numbers
19. Mixed operation of 3 numbers
20. Adding 3 numbers(first make 10)
21. Subtracting 3 numbers(first make 10)
22. Adding(find way to make 10)
23. Subtracting (find way to make 10)
24. Add a two-digit number and a one-digit number
25. Add two two-digit numbers