Click to download Terminology for Module 1
Number bonds are mental pictures of the relationships between a number and the parts that combine to make it.
5 Group Cards represent numbers with dots. The top row fills to 5, then the bottom row to 10.
equations:
3 + 2 = 5
2 + 3 = 5 Equivalent equations:
5 = 3 + 2 3 + 2 = 4 + 1
5 = 2 + 3 5 + 0 = 3 + 2
Missing addends:
3 + ? = 5
? + 2 = 5
Word Problems
addition and subtraction
Fluency in number bonds, addition and subtraction.
Should we add or subtract? Which is quicker?
10 - 9 = ? or 9 + ? = 10 whole - part = part or part + part = whole
Using the Number path to add and subtract (hop on to add, hop back to subtract)