Understanding Addition
Key Vocabulary Words: part: a piece of a whole
whole: you add parts to find the whole add: when you put two parts together plus: (+) equal: (=) addition sentence: shows the part and the whole 4 + 2 = 6 double: the same number added twice
order: to switch places
sum: the whole or total
addend: the numbers you add together to find the whole
join: when you combine two sets
Games to play: Dominoes
Videos:
- students are developing understanding of addition and strategies for addition within 20
Key Vocabulary Words: part: a piece of a whole
whole: you add parts to find the whole add: when you put two parts together plus: (+) equal: (=) addition sentence: shows the part and the whole 4 + 2 = 6 double: the same number added twice
order: to switch places
sum: the whole or total
addend: the numbers you add together to find the whole
join: when you combine two sets
Games to play: Dominoes
Videos: