1.   Identify the pattern and find missing number.

110, 100, 90, ___, 70, 60

    A. Add 15; 85 B. Subtract 10; 80
    C. Subtract 15; 75 D. Add 10; 80
    Hint

  2.   Suppose you start at 10 and skip-count until you get to 24. Is the pattern skip-counting by 4s? Explain.
    A. Yes; when you get to the 20s, you will count 20, 24, and 28. B. No; if you start at 10 and skip-count by 4s, you will get 22 and 26 but not 24.
    C. No; you skip the even numbers and 24 is even. D. Yes; when you get to the 20s, you will count 20, 22, 24, 26, and 28.
    Hint

  3.   Identify the pattern and the missing numbers.

60, 55, __, __, 40, 35

    A. Add 15; 70, 85 B. Subtract 5; 50, 45
    C. Subtract 15; 50, 45 D. Add 5; 50, 45
    Hint

  4.   Identify a pattern and find the missing numbers.

26, 30, __, 38, 42, __

    A. Subtract 4; 34, 38 B. Add 2; 32, 44
    C. Add 4; 34, 46 D. Add 8; 34, 46
    Hint

  5.   Rosa is saving her allowance. Predict how much money she will have saved at week 4.

Rosa's Savings
Week
Total Saved
1
$3
2
$6
3
$9

    A. $11 B. $15
    C. $14 D. $12
    Hint