K.4 Understanding Addition and Subtraction
Unit Goals
- Students relate counting to addition and solve addition and subtraction story problems within 10.
Section A Goals
- Understand addition as putting together and subtraction as taking from.
Section B Goals
- Represent and solve Add To, Result Unknown and Take From, Result Unknown story problems within 10.
Section C Goals
- Find the value of addition and subtraction expressions within 10.
- Relate addition and subtraction expressions to story problems.
Glossary Entries
- above
- add
\(4 + 3\)
Four plus three
- below
- beside
- circle
- expression
\(6 + 4\)
\(3 - 3\) - fewer
- less
3 is less than 9
- longer
The straw on the top is longer than the straw on the bottom.
- more
- next to
- number writing reference
1
one
2
two
3
three
4
four
5
five
6
six
7
seven
8
eight
9
nine
10
ten
- rectangle
- shorter
The straw on the bottom is shorter than the straw on the top.
- subtract
\(5 - 2\)
Five minus two
- triangle
