PA 1st Grade Math Curriculum

PA 1st Grade Math Curriculum

• 1.OA.A.1Use addition and subtraction within 20 to solve word problems
  • Addition word problems up to 20
  • Using models to add up to 20
  • Subtracting with digits up to 20
  • Subtracting with objects up to 20
  • Subtraction word problems up to 20
• 1.OA.A.2Solve word problems that call for addition of three whole numbers whose sum is less than or equal to 20
  • Adding with 3 numbers up to 20
• 1.OA.B.3Apply properties of operations as strategies to add and subtract
  • Subtraction facts up to 20
  • Verifying subtraction statements
• 1.OA.B.4Understand subtraction as an unknown-addend problem
  • Completing subtraction statements up to 20
  • Understanding the subtraction sign
• 1.OA.C.6Add and subtract within 20, demonstrating fluency for addition and subtraction within 10
  • Addition facts up to 20
• 1.OA.D.7Understand the meaning of the equal sign, and determine if equations involving addition and subtraction are true or false
  • Verifying addition statements
• 1.OA.D.8Determine the unknown whole number in an addition or subtraction equation relating three whole numbers
  • Addition with regrouping up to 20
  • Complete the addition statement up to 5
  • Completing the addition statement up to 10
  • Complete the subtraction statement up to 5
  • Complete the subtraction statement up to 10
• 1.NBT.A.1Count to 120, starting at any number less than 120
  • Converting dot grids to numbers up to 100
  • Missing values in a number grid up to 100
  • Number sequences with 1,2,3,5,10
  • Ordinal numbers
  • Writing numbers as words
  • Writing words as numbers
• 1.NBT.B.2Understand that the two digits of a two-digit number represent amounts of tens and ones
  • Place values of digits up to 99
  • Counting the value of a digit up to 99
  • Numeral expanding up to 99
  • Identifying tens and ones
• 1.NBT.B.3Compare two two-digit numbers based on meanings of the tens and ones digits, recording the results of comparisons with the symbols >, =, and <
  • Comparing values up to 99
• 1.NBT.C.4Add within 100, including adding a two-digit number and a one-digit number, and adding a two-digit number and a multiple of 10
  • Adding with digits up to 20
  • Adding digits up to 100
  • Adding with doubles up to 100
  • Using counting to add digits up to 100
  • Addition strategies
  • Addition with regrouping up to 100
  • Using models to add up to 100
  • Addition tables up to 100
  • Completing addition statements up to 100
  • Addition word problems up to 100
• 1.NBT.C.5Given a two-digit number, mentally find 10 more or 10 less than the number, without having to count
  • Adding numbers with 5s and 10s
• 1.NBT.C.6Subtract multiples of 10 in the range 10-90 from multiples of 10 in the range 10-90
  • Subtracting with the number zero
  • Subtracting by 10s
  • Subtracting with place value models up to 100
  • Subtraction facts up to 100
  • Completing subtraction images & statements
  • Using objects to subtract up to 100
• 1.G.A.3Partition circles and rectangles into two and four equal shares
  • Sharing & partition up to 10
  • Remainders from division up to 10