Welcome to First Grade Math!

 We will be working on these skills in math throughout the year in First Grade:  


  • Read and write numbers 0 to 120 (out of order)
  • Count by tens and ones up to 99
  • Sequence and compare numbers to 120 by ones
  • Represent a number of objects with a written numeral up to 99 
  • Build groups of tens and ones to represent numbers up to 99
  • Relate counting to addition and subtraction within 20
  • Understand subtraction as an unknown-addend problem
  • Find the unknown whole number in an addition or subtraction equation
  • Solve word problems with addition and subtraction within 20
  • Apply properties of operations as strategies to add and subtract
  • Add and subtract within 20, developing fluency for addition and subtraction within 10
  • Add within 100, adding a two digit number and a one digit number or a multiple of 10 with objects or drawings using strategies based on place value
  • Subtract multiples of 10 in the range of 10-90 with objects or drawings using strategies based on place value
  • Mentally find 10 more or 10 less from any two digit number
  • Determine if addition and subtraction equations are true or false
  • Organize, represent, compare, and interpret data with up to 3 categories
  • Measure, compare, and order the length of objects with the same size units
  • Tell and write time in hours and half-hours using analog and digital clocks
  • Identify attributes, build, draw, and compare shapes
  • Partition circles and rectangles into 2 & 4 equal shares and describing the shares
Thank you again for your continued support. If you have any questions or concerns, 
please email me at kristianne.trevorrow@fcps.org, call me at 240-236-2841 or stop by.