← Back

Opens your browser’s print dialog — choose “Save as PDF” as the destination.

Celeste International School

Grade 1 · Worksheet

Pattern & probability

Name: ______________________________Date: ______________Score: ______ / 20
  1. 1.

    A pattern that repeats in the same order over and over is called a...?

    1. Arandom pattern
    2. Bregular pattern
    3. Cnumber line
  2. 2.

    Carry on the pattern: circle, triangle, circle, triangle, circle, ___. What comes next?

    1. Acircle
    2. Bsquare
    3. Ctriangle
  3. 3.

    A pattern with no repeating order is called a...?

    1. Aregular pattern
    2. Brandom pattern
    3. Cstraight line
  4. 4.

    Carry on the pattern: red, blue, red, blue, red, ___?

    1. Ablue
    2. Bred
    3. Cgreen
  5. 5.

    Carry on the pattern: circle, circle, square, circle, circle, square, ___?

    1. Asquare
    2. Btriangle
    3. Ccircle
  6. 6.

    Carry on the counting pattern: 10, 20, 30, 40, ___?

  7. 7.

    Carry on the pattern: 15, 25, 35, 45, ___?

  8. 8.

    Carry on the pattern: 11, 22, 33, 44, ___?

  9. 9.

    Carry on the pattern: 20, 21, 22, 23, 24, ___?

  10. 10.

    In the pattern 20, 21, 22, 23, 24, which digit stays the same each time?

    1. Athe ones digit
    2. Bthe tens digit
    3. Cboth digits
  11. 11.

    A regular pattern repeats in the same order.

    True False
  12. 12.

    A random pattern repeats in the same order over and over.

    True False
  13. 13.

    The sun will come up tomorrow morning. This...?

    1. Amight happen
    2. Bwon't happen
    3. Cwill happen
  14. 14.

    A cat will read you a book today. This...?

    1. Awon't happen
    2. Bmight happen
    3. Cwill happen
  15. 15.

    It will rain where you live today. This...?

    1. Awill happen
    2. Bmight happen
    3. Cwon't happen
  16. 16.

    You will eat some food today. This...?

    1. Awon't happen
    2. Bwill happen
    3. Cmight happen
  17. 17.

    A dinosaur will walk down your street today. This...?

    1. Awill happen
    2. Bwon't happen
    3. Cmight happen
  18. 18.

    When you toss a coin, how many different results can you get?

  19. 19.

    You toss a coin. It can land on...?

    1. Aheads or tails
    2. Ba number
    3. Conly heads
  20. 20.

    Before you toss a coin, can you be sure it will land on heads?

    1. Ayes, always heads
    2. Bno, it might be heads or tails
    3. Cyes, always tails
Celeste International School

Answer key

Pattern & probability

  1. 1.B. regular pattern
  2. 2.C. triangle
  3. 3.B. random pattern
  4. 4.A. blue
  5. 5.C. circle
  6. 6.50
  7. 7.55
  8. 8.55
  9. 9.25
  10. 10.B. the tens digit
  11. 11.True
  12. 12.False
  13. 13.C. will happen
  14. 14.A. won't happen
  15. 15.B. might happen
  16. 16.B. will happen
  17. 17.B. won't happen
  18. 18.2
  19. 19.A. heads or tails
  20. 20.B. no, it might be heads or tails