1st grade Common Core worksheets
17 1st grade standards with a printable sheet · Ages 6–7
Operations and Algebraic Thinking
OA- 1.OA.A.1
Add and subtract within 20 to solve word problems.
- 1.OA.B.4
Understand subtraction as an unknown-addend problem.
- 1.OA.C.5
Relate counting on and back to addition and subtraction.
- 1.OA.C.6
Add and subtract within 20, fluent within 10.
- 1.OA.D.8
Find the unknown number in an addition or subtraction equation.
Number and Operations in Base Ten
NBT- 1.NBT.A.1
Count to 120 and read and write numerals in that range.
- 1.NBT.B.2
Understand two-digit numbers as tens and ones.
- 1.NBT.B.3
Compare two two-digit numbers using >, = and <.
- 1.NBT.C.4
Add within 100, including a two-digit number and a multiple of ten.
- 1.NBT.C.5
Mentally find 10 more or 10 less than a two-digit number.
- 1.NBT.C.6
Subtract multiples of 10 from multiples of 10 within 100.
Measurement and Data
MD- 1.MD.A.2
Measure length by iterating a shorter unit.
- 1.MD.B.3
Tell and write time to the hour and half-hour.
- 1.MD.C.4
Organize and interpret data in up to three categories.
Geometry
G- 1.G.A.1
Tell defining attributes of shapes from non-defining ones.
- 1.G.A.2
Compose two- and three-dimensional shapes.
- 1.G.A.3
Partition circles and rectangles into halves and quarters.
Supplementary
Taught at this level and not part of the Common Core content standards. Listed so the catalog says what else is on the shelf.
Reading a thermometer is not in CCSS measurement; it arrives via science standards.
CCSS has no calendar standard. Time is 1.MD.B.3 / 2.MD.C.7 / 3.MD.A.1 and all three are clocks.