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1st Grade Math 


1st Grade - Math

By the end of the school year, your child is expected to:

  • Count by 2's to 20.
  • Count by 1's, 5's, and 10's to 100.
  • Read, write, and count from 1 to 100.
  • Make sets of objects up to 30 and write the numeral for the set.
  • Read number words zero to ten.
  • Use first, second, third, fourth, fifth, sixth, seventh, eighth, ninth, and tenth (ordinal numbers).
  • Show one more, one less, before, after, between (numbers).
  • Show equal and unequal sets.
  • Know that 1, 3, 5, 7, 9, 11, 13, 15, 17, and 19 are unequal numbers.
  • Know that 2, 4, 6, 8, 10, 12, 14, 16, 18, and 20 are equal numbers.
  • Use tally marks to 100 (//// //// //).
  • Estimate up to 30.
  • Group objects into tens and ones.
  • Memorize addition facts to 10.
  • Memorize subtraction facts to 10.
  • Add numbers for sums to 10.
  • Subtract numbers for differences below 10.
  • Write equations (for example: 8 - 7 = ?).
  • Add and subtract by counting on and counting back (for example: counting back to solve 9-4=? is 8, 7, 6, 5 . . . answer is 5).
  • Group objects to show ten more or ten less to 100.
  • Add and subtract 2-digit numbers (multiples of 10 to 100).
  • Solve word problems using addition and subtraction.
  • Use problem-solving strategies: beans for counting and sorting, acting out, drawing, making diagrams, using calculator.
  • Know figures: circle, square, triangle, rectangle, hexagon, trapezoid, and parallelogram.
  • Know 3-D figures: sphere, cube, cylinder, and cone.
  • Describe and compare objects.
  • Tell the difference between open and closed figures.
  • Use directional words: in, out, on, beside, up, down, left, right.
  • Divide apples, oranges, and other objects into 2, 3, and 4 equal parts.
  • Measure length, weight, and capacity using paper clips, beans, fingers, feet, or other available objects (non-standard units).
  • Use the calendar.
  • Tell time to the nearest hour using digital and regular (analog) clocks.
  • Make patterns with beads, blocks, and other objects.
  • Draw patterns using pictures or symbols (ex. * <> # * <> #).
  • Copy and continue a pattern.
  • Read, use, and answer questions about graphs and charts.