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Math
Pennsylvania Math
Grade 1: Numbers and Operations
CC.2.1.1.B.1
Not covered
(Content unavailable)
CC.2.1.1.B.2
Mostly covered
CC.2.1.1.B.3
Partially covered
- Add 2-digit numbers by making tens
- Add within 100 using a number line
- Add within 100 using place value blocks
- Adding 2-digit numbers without regrouping
- Adding 53+17 by making a group of 10
- Adding by making a group of 10
- Adding up to four 2-digit numbers
- Adding with regrouping
- Addition and subtraction with number lines
- Break apart 2-digit addition problems
- Breaking apart 2-digit addition problems
- Missing numbers in addition and subtraction
- Select strategies for adding within 100
- Strategies for adding 2-digit numbers
- Subtract within 100 using a number line
- Subtract within 100 using place value blocks
- Subtract within 20
- Subtracting 10s using place value
- Subtracting 1s using place value
- Subtracting a 1-digit number with regrouping
- Subtracting two-digit numbers without regrouping
- Understanding place value when adding ones
- Understanding place value when adding tens