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Number Sense - Grade 2

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  • Which numbers should I add first? 5 + 9 + 5 = 19
    5 + 5
  • Is this correct (Yes or No): 83 > 38
    Yes.
  • What should I add 2 + 8 first in the number sentence: 8 + 6 + 2 = 16 ?
    Because they make 10.
  • Why should I add 4 + 4 first in this number sentence: 4 + 7 + 4 = 15 ?
    Because they are doubles.
  • What is 10 more than 40?
    50
  • Put these numbers in order from smallest to biggest: 95, 38, 56, 65
    38, 56, 65, 96,
  • Is this correct (Yes or No): 56 > 67
    No. 56 < 67
  • What is half of 8?
    4
  • What is 5 less than 29?
    24
  • What are the missing numbers? 10, 20, ___, 40, 50, 60, ___, 80, ___, 100
    30, 70, 90
  • What is 10 less than 80?
    70
  • What is 5 more than 63?
    68
  • Put these numbers in order from biggest to smallest: 38, 87, 24, 53
    87, 53, 38, 24
  • Which numbers should I add first? 3 + 2 + 7 = 12
    3 + 7
  • What is half of 6?
    3
  • What are the missing numbers? 5, 10, 15, 20, __, __, __
    25, 30, 35
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