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Take A Sneak Peek At Chapter Three
This chapter we will be focusing on...
Mental Math Strategies.
Students will learn:
use doubles facts as a strategy for finding sums for near doubles facts
recall sums for basic facts using properties and strategies.
recall sums for addition facts using the make a ten strategy
find sums of three addends by applying the Commutative and Associative Properties of Addition
use the inverse relationship of addition and subtraction to recall basic facts
recall differences for basic facts using mental strategies
find differences on a number line to develop the mental strategy of decomposing to simplify facts
use bar models to represent a variety of addition and subtraction situations
write equations to represent and solve a variety of addition and subtraction situations
solve problems involving equal groups by using the strategy act it out
write equations using repeated addition to find the total number of objects in arrays.
Check out examples of what we will learn in Chapter 3 below!
Lesson 3.1
Lesson 3.2
Lesson 3.3
Lesson 3.4
Lesson 3.5
Lesson 3.6
Lesson 3.7
Lesson 3.8
Lesson 3.9
Lesson 3.10
Lesson 3.11
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