Chapter 3 Add and Subtract Whole
Numbers
Lesson 3.1 I can
use addition and subtraction rules
Vocabulary:
zero property, commutative property,
associative property
Lesson 3.2 I can use
mental math to add and subtract 2 and 3 digit numbers
Vocabulary: compensation, break apart
Lesson 3.3 I can
use rounded numbers to estimate sums and differences (make sure you fully
understand Lesson 2.5 about how to round numbers)
Lesson 3.4 I can
decide whether an estimated or an exact answer is needed to solve a problem
Lesson 3.5 I can
add whole numbers
Vocabulary:
regroup
Lesson 3.6 I can
subtract whole numbers with up to five digits
*Check your work by doing
the inverse operation
Vocabulary: inverse operations
Lesson 3.7 I can
subtract when some digits are zeros
Lesson 3.8 I can add
and subtract whole numbers with up to six digits
No comments:
Post a Comment