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Elementary Mathematics - Grade Two

Whole Numbers
1: Comprehension of Whole Numbers
  • Identify numbers from 101 through 1000
    • Associate numbers with sets having 101 up to 500 objects/things and tell the number of objects
    • Associate numbers with sets having 501 up to 1000 objects/things and tell the number of objects
  • Read and write numbers from 101 through 1000 in symbols and in words
    • Read numbers through 1000 in symbols and in words
    • Write numbers through 1000 in symbols and in words
    • Give the place value of each digit in a 3-digit number
    • Write 3-digit numbers in expanded form
    • Compare numbers using >, < and =
  • Skip count numbers by 50s up to 1000
2: Presenting Whole Numbers
  • Read and write ordinal numbers from 11th through the 20th
  • Identify the 11th through the 20th objects of given sets from a given point of reference
  • Identify and use the pattern of naming ordinal numbers e.g. 21st, 22nd, 23rd, 24th, etc
  • Use the pattern of naming ordinal numbers beyond 20
3: Money, Money, Money
  • Read and write money value through P100.
    • Read money in symbols through P100
    • Express money as pesos and centavos through P100
    • Compare values of the different denominations of coins and paper bills through P100 using the relation symbol
4: Comprehension of Addition of Whole Numbers
  • Add 2- to 3-digit numbers with sums up to 999
    • without regrouping in short form
    • with regrouping
  • Add 2- to 3-digit numbers with zero in any of the addends with sums up to 999
    • without regrouping in short form
    • with regrouping
  • Show properties of addition
    • Show the zero/identity property of addition
    • Show the commutative property of addition in adding numbers
    • Show the associative property of addition in adding numbers
  • Add mentally 1- to 2-digit numbers with sum up to 50
5: Application of Addition of Whole Numbers
  • Solve word problems involving addition of whole numbers including money with sums up to 999 without and with regrouping
    • Analyzes word problem
    • Tell:
      • what is asked
      • what is/are given
      • the word clues
      • the operation to be used
    • Transform the word problem into a number sentence
    • Use the correct operation
    • State the complete answer
6: Comprehension of Subtraction of Whole Numbers
  • Subtract 2- to 3-digit numbers with minuends up to 999 without and with regrouping
    • Illustrate how subtraction is used when:
      • Taking away from the given set
      • Finding a missing addend
    • Subtract 2- to 3-digit numbers with regrouping
      • in the tens place without or with zero difficulty
      • in the hundreds place value without or with zero difficulty
  • Use addition to check subtraction
  • Subtract mentally 1-digit number from 1 and 2 digit numbers with minuends up to 50 without regrouping
7: Application of Subtraction of Whole Numbers
  • Solve 1-step word problems involving subtraction of whole numbers including money with minuends up to 999 without and with regrouping
    • Analyzes word problem
    • Tell:
      • what is asked
      • what is/are given
      • the word clues
      • the operation to be used
    • Transform the word problem into a number sentence
    • Use the correct operation
    • State the complete answer
8: Application of Addition and Subtraction of Whole Numbers
  • Solve 2-step word problems involving addition and subtraction of 2- to 4-digit numbers including money
    • Analyzes word problem
    • Tell:
      • what is asked
      • what is/are given
      • the word clues
      • the operation to be used
    • Transform the word problem into a number sentence
    • Use the correct operation
    • State the complete answer
9: Comprehension of Multiplication of Whole Numbers
  • Multiply 1- to 2-digit numbers by a 1-digit number with products up to 81
    • Multiply 1-digit by 1-digit number with or without regrouping with products up to 45
      • Show the relationship of putting together 2 or more number of elements to repeated addition
      • Show multiplication of whole numbers as repeated addition on the number line or array, etc.
      • Transform an addition sentence into a multiplication sentence
      • Identify the parts of a multiplication sentence
      • Show that a number multiplied by 1 is the same number
      • Show that zero multiplied by a number is zero
    • Give the factors of a given number
    • Multiply 1- to 2-digit numbers by 1-digit number with products up to 81
    • Multiply mentally 1-digit numbers with products up to 81 without regrouping
10: Application of Multiplication of Whole Numbers
  • Solve 1-step word problems involving multiplication of whole numbers including money
    • Analyze the word problem
    • Tell:
      • what is asked
      • what is/are given
      • the word clues
      • the operation to be used
    • Transform the word problem into a number sentence
    • Use the correct operation
    • State the complete answer
  • Solve 2- to 3-step word problems involving multiplication of whole numbers as well as addition and subtraction including money following the steps in solving 2-step problems
11: Comprehension of Division of Whole Numbers
  • Divide whole numbers with dividends through 81 by 1-digit divisors
    • Show division
      • By partition (including the equal parts of a number)
      • By distribution (finding how many times a number is contained in a given number)
      • As repeated subtraction
      • As inverse of multiplication
    • Identify the parts of a division sentence
    • Transform a division sentence into multiplication sentence and vice versa
    • Divide 1- to 2-digit numbers by 1-digit numbers
    • Divide 2-digit numbers with dividends through 81
12: Application of Division
  • Solve 2- to 3-step word problem involving division of whole numbers with dividends up to 81
    • Analyze the word problem
    • Tell:
      • what is asked
      • what is/are given
      • the word clues
      • the operation to be used
    • Transform the word problem into a number sentence
    • Use the correct operation
    • State the complete answer
  • Solve two-step word problems involving division of whole numbers as well as addition/subtraction/multiplication including money following the steps in solving 2-steps problems
    • Analyze the word problem
    • Tell:
      • what is asked
      • what is/are given
      • the word clues
      • the operation to be used
    • Transform the word problem into a number sentence
    • Use the correct operation
    • State the complete answer
Rational Numbers
13: Comprehension of Fractions
  • Comprehension of Unit Fractions
    • Identify 1/3, 1/5, 1/6 of a given whole/group of objects
    • Read and write 1/3, 1/5, 1/6 in symbols and in words
    • Identify other unit fractions
    • Read and write other unit fractions in symbols and in words
    • Compare unit fractions using relation symbols
  • Comprehension of other Fractions less than One
    • recognize fractional parts of a whole
    • Separate a whole or group o objects into fractional parts
    • Read and write other fractions less than one in symbols and in words
Geometry
14: Comprehension of Shapes
  • Identify shapes common in the home and in the school
  • Classify shapes according to numbers of sides and corners
    • Describe shapes according to number of sides
    • Describe shapes according to number of corners
    • Compare shapes according to number of sides and corners
15: Tesselations
  • Tessellate a surface using triangles and shapes
  • Identify shapes/figures that show symmetry
Measurement
16: Comprehension of time measurement
  • Use the calendar to tell the number of:
    • weeks in a month
    • days in a month
    • months in a year
    • weeks in a year
    • days in a year
  • Determine the number of days in a given number of:
    • weeks
    • months
  • Tell the time using the digital clock
  • Compare the digital clock and analog clock (a clock with minute and hour hands)
  • Application of time measure
    • Solve simple word problems involving time without conversion of standard units
17: Comprehension of Linear Measure
  • Make measurement using standard units of linear measure (metre: base unit)
  • Approximate measurement of length,width, height and distance
  • Find the area of a given figure using the square units
    • Visualize plane figures and square units
    • Tell the number of square units covering a given plane figure
18: Comprehension of Mass Measure
  • Make measurement using standard units of mass measure (gram: base unit)
  • Approximate measurement of mass
  • Investigate accuracy in measuring mass and quantity of things bought e.g. knowledge in using the weighing scale
19: Comprehension of Capacity
  • Make measurement using standard units of capacity measure (litre: base unit)
  • Approximate measurement of capacity
20: Comprehension of Area
  • Find the area of a given figure using the square units
    • Visualize plane figures and square units
    • Tell the number of square units covering a given plane figure
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