4)+Unit+4+-+Properties+and+Strategies+of+Addition+and+Subtraction

=20 Days= **UEQ: What strategies can I use to add or subtract numbers?** [|Student Learning Map]

Go Math Resources
Teacher and student editions - see learning map Online resources ***to be added***

LEQ: How does adding a zero change the value of a number?
MA.1.A.1.4

LEQ: How do I use counting on to solve an addition problem?
MA.1.A.6.2 MA.1.A.1.4

LEQ: How do I use counting back to solve a subtraction problem?
MA.1.A.6.2 MA.1.A.1.4

How can using doubles facts plus one help me to add?
MA.1.A.6.2 MA.1.A.1.4

[|ProTeacher Discussion - Doubles] lots of documents for doubles

[|Doubles Song]

Pictures depicting adding doubles - to use on a bulletin board.

[|Math-Aids.com] worksheet generator for doubles facts

LEQ: What can I learn from changing the order of addends? (Commutative Property)
MA.1.A.1.3

LEQ: How can I identify groups of ten to solve addition problems? (6+4+3 = 10 + 3 =13)
MA.1.A.6.2 MA.1.A.1.4

LEQ How can I use the Associative Property to solve problems? ie (2+4)+5=2+(4+5)
MA1.A.1.3

How can the properties of addition help me to solve real-world problems? (Commutative Property, Associative Property, and Additive Property; constructing support with justification)
MA1.A.1.3 MA.1.A.6.2

=LFS Lesson Plans for this Unit=