Numroo Math
Common Core State Standards · Kindergarten–Grade 6

Free CCSS math gamesand printable worksheets

Practice with short interactive games, print black-and-white worksheets, and check answers with a QR code—no account needed.

1

Play

Try a game aligned to a CCSS domain.

2

Print

Letter-size worksheets for pencil practice.

3

Check

Scan the QR code for answers and explanations.

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Grade 1 Math

Grade page

Add, subtract, and build number sense

Unit 1

Add and Subtract within 20

Build fluency with addition and subtraction facts within 20. (CCSS 1.OA)

  • •Add within 20
  • •Subtract within 20
Unit 2

Place Value to 120

Read and write numbers to 120 using tens and ones. (CCSS 1.NBT)

  • •Read and write numbers to 120
  • •Tens and ones
Unit 3

Length and Time

Order and measure length with same-size units. (CCSS 1.MD)

  • •Order by length
  • •Measure with same-size units
Unit 4

Shapes and Equal Shares

Name defining attributes of shapes and build new shapes. (CCSS 1.G)

  • •Distinguish defining attributes
  • •Compose shapes
Unit 5

Word Problems within 20

Solve put-together, take-apart, and compare word problems within 20. (CCSS 1.OA.A)

  • •Solve addition word problems
  • •Solve subtraction word problems
Unit 6

Compare Numbers to 120

Compare two-digit numbers using place value and symbols >, <, =. (CCSS 1.NBT.B.3)

  • •Compare tens first
  • •Use >, <, and =
Unit 7

Time to the Hour and Half Hour

Tell and write time to the hour and half hour on analog clocks. (CCSS 1.MD.B.3)

  • •Read time to the hour
  • •Read half past (:30)
Unit 8

Halves and Fourths

Partition circles and rectangles into halves and fourths. (CCSS 1.G.A.3)

  • •Identify equal shares
  • •Name halves and fourths