Page 33 - 新思维数学学生用书6 样章
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2 Numbers and sequences
Check your progress
1 Hassan counts in steps of 0.4.
His first number is 1.
He counts 1, 1.4, 1.8, …
What is the tenth number in his sequence?
2 a Find the position-to-term rule for the numbers in this table.
Position Term
1 7
2 14
3 21
4 28
b What is the 10th term of the sequence 7, 14, 21, …?
3 Which of these expressions are equal to 7²?
7 × 7 7 + 7 2 × 2 × 2 × 2 × 2 × 2 × 2
7 + 7 + 7 + 7 + 7 + 7 + 7 7 × 2
4 Mia is thinking of a number.
She says, ‘My number is an even number less than 50.
It is a common multiple of 3 and 7.’
What number is Mia thinking of?
5 Tim goes to school.
His age is a cube number.
His age is double one square number and half a different square number.
How old is Tim?
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