Numbers & the number system

Mia counts on in steps of 100. She starts at 946. What is the next number she says?

1. A1046
2. B956
3. C1000

Kofi counts back in steps of 100. He starts at 1048. What is the next number he says?

Bibi counts on in steps of 1000. She starts at 1989. What is the next number she says?

Pierre counts back in steps of 1000. He starts at 9999. What is the next number he says?

Tara counts back in ones. She counts 3, 2, 1, 0. What number does she say next?

What is the term-to-term rule for the sequence 185, 180, 175, ...?

1. Aadd 5
2. Bsubtract 10
3. Csubtract 5

What is the term-to-term rule for the sequence 235, 245, 255, ...?

1. Aadd 5
2. Badd 10
3. Csubtract 10

What is the term-to-term rule for the sequence 901, 801, 701, ...?

1. Asubtract 100
2. Bsubtract 10
3. Cadd 100

Carlos writes a sequence. The first term is 8 and the rule is 'subtract 2'. What is the fifth term?

The numbers in this sequence increase by 50 each time: 60, 110, 160, 210, ... What is the next term?

A sequence increases by 50 each time: 60, 110, 160, 210, ... What is the first number in the sequence greater than 1000?

1. A1000
2. B1010
3. C1060

If you save $2 every week, the amount you have saved forms a linear sequence.

A sequence where you add a different amount each time is a linear sequence.

Add five: 4, 9, 14, ... What is the next term?

Subtract four: 20, 16, 12, ... What is the next term?

Which of these is a linear sequence?

1. A2, 6, 18, 54 (multiply by 3)
2. B2, 3, 5, 8 (add one more each time)
3. C4, 9, 14, 19 (add 5)

The rule for a sequence is 'multiply by three': 2, 6, 18, ... Is this sequence linear or non-linear?

1. Anon-linear
2. Blinear

Multiply by three: 2, 6, 18, ... What is the next term?

Divide by two: 32, 16, 8, ... What is the next term?

The rule is 'add one more each time': 2, 3, 5, ... Is this sequence linear or non-linear?

1. Alinear
2. Bnon-linear