Chapter 2- Apply Addition Concepts
2-1 Addition Properties: I can use the Commutative Property and the Zero Property to find sums.
Vocabulary: Add: to join together to find the total or sum. Addends: any number or quantities being added together. Sum: the answer when you add numbers.
2-2 Count On to Add: I can use a number line to count on when adding.
Vocabulary: Count On: start at a number on a number line and count up.
2-3 PSS: Act It Out: I can use the act it out strategy to solve problems.
2-4 Doubles: I can use doubles facts to solve problems.
Vocabulary: Doubles: two addends or quantities being added.
2-5 Near Doubles: I can use doubles facts to find other sums.
2-7 Add Three Numbers: I can group addends differently to make the same sum.
2-8 PSS: Choose a Strategy: I can choose the best strategy to solve problems.