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Question 1 of 5
1. Question
2 point(s)A sequence of numbers starts at 11 and follows the rule:
‘double the last number and then subtract 3’
11 19 35 67 131
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(a) What will be the next number in the sequence?
(b) The sequence continues. The number 4099 is in the sequence.
Calculate the number which comes immediately before 4099 in the sequence.
Correct 2 / 2 PointsIncorrect / 2 Points -
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Question 2 of 5
2. Question
2 point(s)Esther makes a sequence of numbers starting with 100.
She subtracts 45 each time.
Give the next two numbers in the sequence.
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100 55 10
Correct 2 / 2 PointsIncorrect / 2 Points -
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Question 3 of 5
3. Question
2 point(s)-
(a) How many circles will there be in pattern number 4?
(b) The sequence continues in the same way.
Calculate how many squares there will be in the pattern which has 25 circles.
Correct 2 / 2 PointsIncorrect / 2 Points -
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Question 4 of 5
4. Question
2 point(s)A sequence starts at 500 and 80 is subtracted each time.
500 420 340 …
The sequence continues in the same way.
Give the first two numbers in the sequence which are less than zero (largest first).
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and
Correct 2 / 2 PointsIncorrect / 2 Points -
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Question 5 of 5
5. Question
3 point(s)Florence has a rule for a sequence of numbers. Her rule is:
“The next number is the sum of the two previous numbers.”
Use Florence’s rule to fill in the three missing numbers.
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0 1 1 2 3 5
Correct 3 / 3 PointsIncorrect / 3 Points -