Topic 2: Addition/Subtraction
The following GLEs are addressed in Topic 2 of Newton’s Classroom
at the levels noted.
Grade 1
|
|
|
| 12. |
Know the basic facts for addition and subtraction (0s,
1s, counting on and back 2s, doubles, doubles ± 1, then 10s facts,
and related turn-around [commutative] pairs) and use them to solve
real-life problems (in levels 1, 2, 3) |
| 14. |
Add and subtract 2-digit numbers using manipulatives
(in level 1) |
| 15. |
Recognize real-life situations as addition or subtraction
problems
(in levels 1, 2, 3) |
| 18. |
Use objects, pictures, and number sentences to represent
real-life problem situations involving addition and subtraction (in
levels 1, 2, 3) |
|
| Grade 2
|
|
|
| 7. |
Know all basic facts for addition and subtraction and
use them to solve real-life problems (in levels 1, 2, 3) |
| 8. |
Recognize, select, connect, and use operations, operational
words and symbols (+, –) for addition (join, part/part/whole)
or subtraction (take away, comparison, missing addend, and set/subset)
situations (in levels 1, 2, 3) |
| 9. |
Add and subtract 1- and 2-digit numbers (in levels
1, 2, 3) |
|
| Grade 3
|
|
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| 11. |
Add and subtract numbers of 3 digits or less (in
levels 1, 2, 3) |
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