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Mega Maths

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  • Choose the best estimate for the following calculation. 664 + 213 = ?
    660 + 210 = 870
  • What is the 12th term in the sequence? 5, 9, 13, 17
    49 because 12 x 4 + 1 = 49
  • Look at the numbers and describe what is their defining feature: 4 1² 4² 3 x 3 = 9
    They are square numbers or the numbers show different ways to represent square numbers
  • Write the correct values so that the fraction, percentage and decimal are equivalent. —— = _____% = 0.02
    2/100 or1/ 50 and 2% and 0.02. Extra point: What does equivalent mean?
  • Calculate 4/5 of 25
    20
  • Compose the following number by adding the given values together. 50 + 7 + 0.8 + 0.01 + 0.03 =
    57.84. Extra point: What does compose mean?
  • The heart is double the value of the star. Find out what number of each symbol is. 🤍 + ☆ = 34
    22 + 12 (double means times 2)
  • Here is a list of numbers. Sort the numbers into prime and composite groups: 5, 3, 19, 51, 21, 27, 45, 20, 91, 61
    prime: 5, 3, 19, 61
  • Calculate 3/4 of 100
    75
  • A sequence starts at 22 and counts down in steps of 7. What are the first two negative numbers in the sequence?
    -6, -13
  • 72 x 10
    720
  • 7.2 x 1 000
    7 200
  • Choose the number that rounds to 16 when rounded to the nearest whole number. 14.5 15.6 15.1 16.5
    15.6
  • Write a definition for prime numbers
    They only have two factors, one and the number itself, that can divide them evenly.
  • 72 ÷ 100
    0.72
  • Write the best estimate for the following calculation. 298.9 + 401.3 = ?
    300 + 400 = 700
  • Decompose the number: 9.03
    Extra point: What does decompose mean?
  • ALL TEAMS: Draw three types of traingles. Lable each triangle and draw the line(s) of symmetry on each triangle.
    Equilateral (3). Isosceles (1). Scalene (0)
  • Calculate 4/7 of 77
    44
  • Calculate 1/5 of 100
    20
  • Calculate 4/5 of 100
    80
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