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13+ number and place value

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  • What is the sum of the first four prime numbers?
    18
    16
    15
    17
  • Which of the following has a digit sum of 21?
    840
    753
    642
    729
  • Which number is both a square and a cube?
    36
    81
    16
    64
  • Which is the correct standard form of 0.00032?
    3.2 × 10⁻⁵
    3.2 × 10⁻⁴
    3.2 × 10⁴
    3.2 × 10⁵
  • Which number is a cube number?
    81
    49
    36
    64
  • What is 3⁴?
    81
    16
    27
    64
  • Round 0.486 to 1 decimal place?
    0.49
    0.5
    0.48
    0.4
  • A temperature drops from 3.5°C to –2.8°C. What is the change?
    0.7°C
    –5.3°C
    –6.3°C
    6.3°C
  • Which of these numbers is divisible by 9?
    2,345
    2,187
    3,123
    1,234
  • Which number is equal to 10⁴?
    100,000
    100
    1,000
    10,000
  • How many decimal places are there in 0.0075?
    3
    2
    4
    5
  • Which of the following is a multiple of 11?
    121
    122
    110
    120
  • Which number is one-tenth of 7,500?
    750
    7.5
    7,500
    75
  • Round 67,943 to the nearest 100?
    67,940
    68,000
    67,900
    67,990
  • What is the square root of 225?
    25
    20
    15
    12
  • Which number has a 6 in the hundredths place?
    46.608
    4.068
    45.068
    46.006
  • Which of these numbers is divisible by 6 but not 4?
    18
    36
    30
    24
  • What is the product of 0.4 and 0.5?
    2
    0.9
    0.2
    1.2
  • Which of these has the smallest value?
    –1
    –6
    0
    –12
  • Which of these numbers is a multiple of both 8 and 12?
    108
    84
    88
    96
  • What is 2.3 × 100?
    23
    0.23
    2,300
    230
  • What is the product of 0.25 and 1,200?
    30
    3,000
    300
    250
  • What is 1,000 ÷ 0.1?
    100
    100,000
    10,000
    1,000
  • What is 12²?
    144
    154
    124
    132
  • What is 15% of 200?
    35
    40
    25
    30
  • What is the value of the 4 in 84,316?
    40,000
    4,000
    400
    400,000
  • What is 0.06 × 1,000?
    0.6
    60
    6
    600
  • What is 25% of 360?
    75
    120
    60
    90
  • What is the value of 5³?
    15
    125
    25
    225
  • Write 3.75 as a fraction in its simplest form?
    30/8
    15/4
    3/4
    7/4
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