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Estimating Answers to Simple Calculations

Quiz by aaa

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25 questions
Show answers
  • Q1
    True or false: to estimate 4.1 x 5.1 we would do 4 x 5?
    true
    false
    True or False
    30s
  • Q2
    What would we do to estimate 5.1 x 4.9?
    6x5
    5x4
    6x4
    5x5
    30s
  • Q3
    What is the best estimate of 5.1 x 4.9?
    24
    30
    25
    26
    30s
  • Q4
    Link these calculations to their roundings:
    Users link answers
    Linking
    30s
  • Q5
    Link these calculations to their best estimates:
    Users link answers
    Linking
    30s
  • Q6
    Sort these:
    Users sort answers between categories
    Sorting
    30s
  • Q7
    Sort these into their best estimates:
    Users sort answers between categories
    Sorting
    30s
  • Q8
    Link these calculations to their roundings:
    Users link answers
    Linking
    30s
  • Q9
    Link these calculations to their best estimates:
    Users link answers
    Linking
    30s
  • Q10
    Estimate 4.2 x 5.1
    Users enter free text
    Type an Answer
    30s
  • Q11
    True or false: to estimate 3.2 x 5.8 we would do 3 x 5?
    false
    true
    True or False
    30s
  • Q12
    What is the best estimate of 4.3 x 9.9?
    45
    40
    44
    50
    30s
  • Q13
    Link these calculations to their roundings:
    Users link answers
    Linking
    30s
  • Q14
    True or false: 17.8 x 21.3 can be rounded to 10 x 20?
    false
    true
    True or False
    30s
  • Q15
    Sort these:
    Users sort answers between categories
    Sorting
    30s

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