math - year 5 2024 term 2

• Comparing and Rounding Decimals

  1. Place the numbers in each set in order from smallest to largest

  2. Compare each number sentence using ˂, ˃ or =

  3. Round to the nearest whole number

  4. Round each number to the nearest tenth
• Factors of 34


  • 1
  • 2
  • 17
  • 34
• First six common multiples of 3 and 4

  • 12
  • 24
  • 36
  • 48
  • 60
  • 72
• 3 x 15 = 45, where 3 and 15 are the factors of 45
• Answer Key


  • Comparing decimals
  • Rounding Decimals
• Solving word problems on adding and subtracting decimals


  1. Find the third decimal number given the sum of three decimal numbers and two of the numbers

  2. Calculate the remaining distance to cycle given the total distance and the distance travelled

  3. Calculate the total weight of chocolates given the weights of dark and milk chocolate

  4. Calculate the difference in grocery expenses between two weeks

  5. 5a. Determine if a letter's weight is covered by basic postage

  6. 5b. Calculate the excess weight of a letter over the basic postage weight limit

  7. Calculate the remaining fruit given the total fruit and the amounts of different fruits sold

  8. Calculate the final balance in a bank account given the initial balance, a deposit, and a withdrawal

  9. Calculate the amount given to a third person given the initial savings and the amounts given to two other people

  10. Find the larger of two decimal numbers given their difference and the smaller number

  11. 10. Calculate the additional money needed to purchase an item given the item's cost and the available money
• Decimal


  A number with a fractional part expressed using a decimal point
• Draw the factor tree of 45 and write all the prime factors of 45

  1. Draw factor tree

  2. Write prime factors
• Common multiples for numbers less than 100

  • 8 and 12
  • 3 and 4
  • 6 and 8
  • 4 and 5
• Area


  The size of a surface or region
• The sum of three decimal numbers is 450.63
• Miley buys an assorted box of chocolates that contains 18.61 ounces of dark chocolate and 37.23 ounces of milk chocolate
• The cost of flowering a stage wall of length 12 feet and width 5 feet at a rate of $20 per square feet is $1200
• Perimeter


  The total distance around the outside of a shape
• Find the missing sides and the perimeter of the figure

  1. Find missing sides

  2. Calculate perimeter
• Find the missing angle

  Find missing angle
• Angie spent $131.56 on groceries during the week preceding Christmas and $56.91 during the Christmas week
• The basic postage is $1.25 and covers any letter that is lighter than 7.5 grams. For heavier letters, extra postage of $0.87 is needed for every 10 grams over 7.5 grams
• Decimal numbers to order in ascending order

  • 5.64
  • 4.67
  • 8.35
  • 8.05
  • 6.5
  • 2.00
• Round the following decimal numbers to the nearest tenth place

  1. Round 4.06

  2. Round 3.43

  3. Round 18.57

  4. Round 1.09
• The fruit dealer sold 23.67 kgs of mangoes, 67.12 kgs of watermelons, 12.38 kgs of strawberries and 56.73 kgs of oranges
• The missing angle in the second triangle is 32°
• Patricia's lunch break


  1. Starts at 12:45 p.m.

  2. Delayed by 20 minutes

  3. Finishes at 1:55 p.m.
• Boarding a flight


  1. Passengers start boarding 1 hour before scheduled take-off

  2. Gate closes 25 minutes before take-off

  3. Diana arrives at 9:45 p.m. for a 10 p.m. flight, so she cannot board
• Train timetable


  1. Jamie's train to Twinkl Town at 11 a.m. arrives at 12 p.m. (Monday to Saturday)

  2. Imrik needs to get the 5 p.m. train to Twinkl Town to arrive by 6 p.m. (Monday to Saturday)

  3. Nashim should get the 11 a.m. train to Twinkl Town to make a 2 p.m. film (Sunday)

  
• Calculate the money left with Mehul

  1. Calculate money spent

  2. Calculate money received

  3. Calculate money left
• Compare the following decimal numbers

  • 2.03 vs 2.38
  • 3.80 vs 3.8
  • 14.56 vs 14.04
  • 0.06 vs 0.002
• Factors of 45 are 3 x 3 x 5
• Area - 30 sq. ft Perimeter - 22 feet
• Mary had $305.80 in her bank account, deposited $250.25 more, and then withdrew $317.50
• Rachel had $739.68 as savings, gave $235.09 to Jessica, and $345.45 to Rebecca
• Missing Sides = 7-2 = 5cm, 11-4 = 7cm

  Perimeter = 11 + 2 + 7+ 5 + 4 + 7 = 36 cm
• Sara took 3 hours 45 minutes to finish her homework
• The difference of two decimals is 68.09, and the smaller one is 353.48
• Area of each table is 1 x 0.5 = 0.5 m2

  Area of 16 tables in classroom - 16 x 0.5 = 8 m2
• Mike wants to buy a Physics book costing $600 and has $475.25 in his purse
• 1. 180o- 42o = 138o
  2. 180o - (51o + 27o) = 102o
• 2.00, 4.67, 5.64, 6.5, 8.05, 8.35
• 1. 4.1
  2. 3.4
  3. 18.6
  4. 1.1
• Total amount spent = $899.45 + $463 + $275.56 = $1638.01

  Amount received = $1638.01 + $163.45 = $1801.46

  Total amount left = $2500 - $1801.46 = $698.54