BELL WORK How many sweets are in this different bag? m

ANSWER We STILL don’t know!!! This time we will call it ‘m’ m

RE-CAP How many sweets were in this bag? n n

MAIN 1 Can we say how many sweets we have if we have one bag each? Not exactly, no n + m m n

2n + 4m m m n m n m

3n + 3m m m n n n m

3n + m n m n n

4n + 3m m m n n n n m

Got the idea? Remember what sweets were? Just numbers: + 3

2n + 1 n n n

2m + 2 m m

3n + 2m + 3 m n n m n

3n + 5m + 2 m m n m n m m n

n + 4m + 4 m m m m n

5n + 3m + 5 m m n n n n m n