Curriculum Content for Grade 2

The exercises for grade 2 will be based on the following sections:

A. Adding and Subtracting up to 40

  1. Review – Addition using doubles
  2. Review – Subtraction using doubles
  3. Add passing the ten by first completing the ten
  4. Subtract by passing the ten using a scheme and completing an equation
  5. Review – Addition, Subtraction, Multiplication and Division
  6. Determine if the operation is addition or subtraction – up to 20
  7. Distinguish between multiplication and division
  8. Add (from 10 to 30) passing the ten
  9. Add (from 20 to 40) passing the ten
  10. Subtract (from 10 to 30) passing the ten
  11. Subtract (from 20 to 40) passing the ten
  12. Add (from 0 to 40) passing the ten
  13. Subtract (from 0 to 40) passing the ten
  14. Addition and subtraction are opposite operations
  15. Adding pattern
  16. Finding the position of a person in a row

B. Compare numbers – up to 40

  1. Compare numbers
  2. Compare numbers using the < and > symbols
  3. Compare expressions containing sum
  4. Compare expressions containing subtraction
  5. Compare a sum that contains the number 10, with a difference that contains the number 20
  6. Compare expressions containing addition and subtraction

C. Multiplication – up to 40

  1. Multiplication is repetitive addition – up to 20
  2. Multiplication is repetitive addition – up to 40
  3. Multiplication is commutative
  4. Patterns with multiples
  5. Patterns in the form of associating numbers with their multiples

D. The Division operation – up to 40

  1. Division by 2
  2. Division by 3
  3. A Division problem: Sharing marbles among friends
  4. A Division problem: Distribute balls between boxes
  5. Multiplication and Division are opposite operations
  6. Distinguish between Multiplication and Division
  7. Distinguish between Addition, Subtraction, Multiplication and Division
  8. Calculate the points of a team in a championship
  9. Arithmetic expression with a product and a sum
  10. Arithmetic expression with two products and a sum
  11. Find the arithmetic values that correspond to figures that satisfy certain equations

E. Numbers up to 100

  1. Add tens using balls
  2. Subtract tens using ball
  3. Subtracting tens using balls and completing an equation
  4. Form a number if you know the digit of tens and the digit of units
  5. Break a number down into tens and ones
  6. The digit of units and the number of tens
  7. The place value of the digits
  8. Adding tens horizontally
  9. Adding tens vertically
  10. Subtracting tens horizontally
  11. Subtracting tens vertically
  12. Complete an equation containing sum of tens
  13. Add tens and units
  14. Complete an equation containing a sum of tens and units
  15. Complete an equation that contains a subtraction where the difference is a multiple of 10
  16. Subtract from a multiple of 10 a one digit number
  17. Find the values represented by figures which satisfy certain equations

F. Multiples of 2

  1. Multiples of 2 using balls
  2. In a sequence of multiples of 2, find the number with a certain position in the sequence
  3. In a sequence of multiples of 2, find the position of a number
  4. Even numbers
  5. Odd numbers
  6. Find the even number that follows a certain number
  7. Find the odd number that follows a certain number
  8. Find the even numbers between 2 numbers
  9. Find the odd numbers between 2 numbers
  10. Decide whether the number of balls is odd or even – part_1
  11. Decide whether the number of balls is odd or even – part_2
  12. Recognize even numbers
  13. Recognize odd numbers
  14. Finding double a number
  15. Find half a number
  16. Find a number if you know its half
  17. A problem of multiples of 2
  18. Find half a number using shapes
  19. Find the values represented by figures which satisfy certain equations
  20. Find two consecutive numbers that have a certain sum

G. Multiples of 5

  1. Multiples of 5 using balls
  2. Complete an equation to calculate multiples of 5
  3. In a sequence of multiples of 5, find a number whose position is known
  4. In a sequence of multiples of 5, find the position of a certain number
  5. Find the multiple of 5 that follows a certain number
  6. Find the fivefold of a number
  7. Find the fifth of a number
  8. Find a number whose fifth part is known

H. Multiples of 10

  1. Multiples of 10 using balls
  2. Multiplication and Division with Tens – Part_1
  3. Multiplication and Division with Tens – Part_2
  4. Multiplication and Division with Tens – Part_3
  5. Find the multiple of 10 that follows a certain number
  6. Find the tenfold of a number
  7. Find the tenth of a number
  8. Find a number whose tenth is known

I. Multiples of 2, 5 and 10

  1. Multiplication and Division with multiples of 2, 5 and 10
  2. Patterns for multiples of 2, 5 and 10
  3. Find the greatest odd number that is less than a certain number
  4. Find the least odd number that is greater than a certain number
  5. Find the arithmetic values that correspond to figures that satisfy certain equations – Part_1
  6. Find the arithmetic values that correspond to figures that satisfy certain equations using operations with tens – Part_2
  7. Problems involving multiplication and then subtraction using tens
  8. Problems involving division and then addition using tens
  9. Count 2 by 2, 5 by 5 and 10 by 10
  10. Count 5 by 5 starting from a certain number

J. Addition up to 100

  1. Add a 2-digit number to another 1-digit number without going over ten
  2. In an addition, find the second addend if the sum and the first addend are known (without passing the ten)
  3. Find the sum of a 2-digit number and a multiple of 1
  4. Find a number that is greater than another in a certain number of tens
  5. Add a 2-digit number and a 1-digit number by completing and then passing the ten
  6. Add a 2-digit number and a 1-digit number going over ten
  7. If you know the first 2-digit addend and the sum, find the second 1_digit addend (passing the ten)
  8. Vertically add a 2-digit number and a 1-digit number going over ten
  9. Add by passing the ten using numbers from 20 to 90 (using balls)
  10. Complete tens with numbers up to 100
  11. Add a 1-digit number to another 2-digit number to get a multiple of 10
  12. Use 2 intermediate steps to add 2 numbers of 2 digits each without the need to carry
  13. Use 1 intermediate step to add 2 numbers of 2 digits each without the need to carry
  14. Add 2 numbers of 2 digits each without the need to carry
  15. Vertically add 2 numbers of 2 digits each without carrying
  16. Vertically add 3 numbers without carrying
  17. Use 2 intermediate steps to add 2 2-digit numbers with the need to carry
  18. Use 1 intermediate step to add 2 2-digit numbers with the need to carry
  19. Add two 2-digit numbers with the need to carry
  20. Vertically add two 2_digit numbers with need to carry
  21. Vertically add two 2_digit numbers by writing the carry

K. Addition Properties

  1. Find a sum if you know a similar one
  2. Perform Addition by first completing the ten
  3. Add 3 numbers by first adding the 2 that complete ten
  4. Add 4 numbers by first adding the numbers that complete ten
  5. Decide whether an equality is valid or not
  6. An addition pattern

L. Subtraction up to 100

  1. Subtract a 1_digit number from a 2_digit number another without going over ten
  2. Find the subtrahend if the difference and the minuend (a 2_digit number) are known
  3. Find the difference of a 2_digit number and a multiple of 1
  4. Find a number that is less than another in a certain number of tens
  5. Subtract the 1_digit subtrahend from the 2_digit minuend by appropriately decomposing the subtrahend into two numbers
  6. Subtract from a 2_digit number another 1_digit number going over ten
  7. Find the subtrahend if you know the minuend and the difference
  8. Using vertical subtraction, subtract from a 2_digit number another 1_digit number going over ten
  9. Using balls, make subtractions by passing the ten (with numbers from 20 to 90)
  10. Find the 1_digit number to subtract from a multiple of 10 to get a certain number
  11. Subtracting a 1_digit number from a multiple of 10
  12. Use 2 intermediate steps to subtract a 2_digit number from a 2_digit number
  13. Use 1 intermediate step to subtract a 2_digit number from a 2_digit number
  14. Subtract the number 9 from a 2-digit number
  15. Subtract vertically from a 2_digit number another 2_digit number without borrowing
  16. Subtract vertically from a 2_digit number another 2_digit number (with or without borrowing)

M. Subtraction Properties

  1. Find the difference of 2 numbers if you know the difference of 2 other similar numbers
  2. A subtraction pattern
  3. Decide whether an expression is greater than another one
  4. Decide whether an expression is less than another one
  5. Decide whether an equality is valid or not
  6. In the score of a basketball game, find the digit of the units
  7. In the score of a basketball game, find the digit of the tens

N. Multiples of 3

  1. Multiples of 3 using balls
  2. Count groups of 3 to find multiples of 3
  3. Find a number in a sequence of multiples of 3, if you know its a position
  4. Find the position of a number in a sequence of multiples of 3
  5. Find the multiple of 3 that follows a certain number
  6. Find the triple of a number
  7. Find the third part of a number
  8. Find a number if you know the third part of it
  9. Find the third part of a number using figures

O. The numbers up to 1000

  1. Hundreds
  2. Pattern with hundreds that are in series
  3. Correspondence of Units to Hundreds
  4. Correspondence of Hundreds to Units
  5. Hundreds names
  6. Names of multiples of 1 greater than 100
  7. Number names from 100 to 999
  8. The digits of hundreds, tens and units
  9. The numbers from 100 to 399 represented by balls
  10. Representation of a number with units, tens and hundreds
  11. Find the place value of a certain digit in a number
  12. Find the place value of the units digit
  13. Find the place value of the tens digit
  14. Find the place value of the hundreds digit
  15. Fill in the missing units, tens or hundreds to represent a number between 100 and 999
  16. Find a number from its representation with units, tens and hundreds
  17. Fill in a series of numbers that are in ascending order
  18. Fill in a series of numbers that are in descending order

P. Number comparison – up to 1000

  1. Find the number between two numbers
  2. Put 3 numbers in ascending order
  3. Put 3 numbers in descending order
  4. Find the smallest and largest in a group of 5 numbers
  5. Find a number that is between 2 other numbers