Teacher Worksheets

Free 1.NBT.B.2.B Common Core PDF Math Worksheets

Understand that numbers between 10 and 19 are made up of one 10 and 0-9 ones.

First Grade
Worksheets

Top Resources
Math

Addition
Assessment
Data
Enrichment
Fractions
Geometry
Hundreds Chart
Math Challenges - Puzzles and Brain Teasers
Math Facts Practice
Math Minutes
Math Mysteries
Measurement
Mental Math
Money Math
Number Sense
Patterns
Place Value
Rounding
Subtraction
Time
Word Problems

Reading
Homework Books
Spelling
Fast Finishers
Puzzles
Common Core

1.OA.A.1
1.OA.A.2
1.OA.B.3
1.OA.B.4
1.OA.C.5
1.OA.C.6
1.OA.D.7
1.OA.D.8
1.NBT.A.1
1.NBT.B.2
1.NBT.B.2.A
1.NBT.B.2.B
1.NBT.B.2.C
1.NBT.B.3
1.NBT.C.4
1.NBT.C.5
1.NBT.C.6
1.MD.A.1
1.MD.A.2
1.MD.B.3
1.MD.C.4
1.G.A.1
1.G.A.2
1.G.A.3

Language Arts Common Core

L.1.1
L.1.1.A
L.1.1.B
L.1.1.C
L.1.1.D
L.1.1.E
L.1.1.F
L.1.1.G
L.1.1.H
L.1.1.I
L.1.1.J
L.1.2
L.1.2.A
L.1.2.B
L.1.2.C
L.1.2.D
L.1.2.E
L.1.3
L.1.4
L.1.4.A
L.1.4.B
L.1.4.C
L.1.5
L.1.5.A
L.1.5.B
L.1.5.C
L.1.5.D
L.1.6

Free Worksheets

Number Sense Mixed Math PDF Workbook for First Graders
Number Sense Workbook (all teacher worksheets - large PDF)
Print This Week's First Grade Math Book (new book each week)
Place Value Challenge Workbook
Free 1.NBT.B.2.B Common Core PDF Math Worksheets Worksheet #1
Free 1.NBT.B.2.B Common Core PDF Math Worksheets Worksheet #2
Free 1.NBT.B.2.B Common Core PDF Math Worksheets Worksheet #3
Free 1.NBT.B.2.B Common Core PDF Math Worksheets Worksheet #4
Place Value Matching Problems
Place Value Spelling and Vocabulary
Free 1.NBT.B.2.B Common Core PDF Math Worksheets Worksheet #5
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Subitizing counting challenge.
Counting 0-9 and Ordering Numbers 0-10.
Counting 11-20 and Ordering Numbers 11-20.
Two-digit number challenge.
Ordering Numbers 0 to 99.
2-Digit Place Value
Math Minutes
Gifted Kids Math Challenge Workbooks
Mental Math
Math Learning Centers