3rd grade Common Core worksheets

22 3rd grade standards with a printable sheet · Ages 8–9

Operations and Algebraic Thinking

NBT

3.NBT.A.1
Round whole numbers to the nearest 10 or 100.
- Rounding numbers
3.NBT.A.2
Fluently add and subtract within 1000.
- Column addition & subtraction
3.NBT.A.3
Multiply one-digit numbers by multiples of 10.
- Multiplying by multiples of ten

3.NF.A.1
Understand a fraction as a number of unit parts.
- Fractions of shapes
- Equal parts and unit fractions
3.NF.A.2
Place fractions on a number line.
- Fractions on a number line
- Plot fractions on a number line
3.NF.A.3
Equivalence and comparison of fractions (covers 3.NF.A.3a-d).
- Equivalent fractions
- Comparing fractions

3.MD.A.1
Tell time to the minute and solve elapsed-time problems.
3.MD.A.2
Measure and estimate liquid volumes and masses.
- Read beakers
- Read dial scales
3.MD.B.3
Draw a scaled picture or bar graph and solve problems from it.
- Bar graphs
- Picture graphs
3.MD.B.4
Measure lengths to the half and quarter inch; show on a line plot.
- Line plots
3.MD.C.5
Understand area as unit squares.
- Area by counting squares
3.MD.C.6
Measure area by counting unit squares.
- Area by counting squares
- Area of irregular shapes
3.MD.C.7
Relate area to multiplication and addition.
- Area of a rectangle
3.MD.D.8
Solve perimeter problems, including unknown side lengths.

3.G.A.1
Classify shapes by shared attributes.
- Naming quadrilaterals
3.G.A.2
Partition shapes into parts with equal areas.
- Equal parts and unit fractions

Taught at this level and not part of the Common Core content standards. Listed so the catalog says what else is on the shelf.

Puzzle types. They exercise the Standards for Mathematical Practice, which this list does not enumerate.

Roman numerals are not in CCSS. Published as an elective; CLAUDE.md's workbook diff excludes it by name.

Reasoning practice — not a CCSS content standard.