Patterns
What is the next number in the sequence:
5, 9, 13, 17, _____
21
(add 4 to the number before)
What is 14 x 5?
70
(10 x 5) + (4 x 5) = 50 + 20 = 70
What is the number in the hundreds unit of the number 4,520?
5
What is 80 divided by 10?
8
How many integers are there between 0 and 8, including both 0 and 8?
9 numbers
What is the 7th number in the sequence:
9, 18, 27, 36, ...
63
7th number is 9 x 7 = 63
What is 12 x 6?
72
(10 x 6) + (2 x 6) = 60 + 12 = 72
What is the elapsed time from 5:25 AM to 5:43 AM?
18 minutes
What is 64 / 8?
8
There are 30 students at NYC STEM. The students are split into classes of 5 students each. How many classes are there?
6
30 / 5 = 6
What is the next number in the sequence:
1, 2, 4, 7, 11, 16, ____
22
(Add 6, one more than the sequence before)
What is 300 x 3?
900
300 + 300 + 300 = 900
See the image on the board. What is the perimeter of this shape?
Answer varies.
What is 81 divided by 9?
What is 411 x 3?
1,233
411 + 411 + 411 = 1,233
What is the next number in the sequence:
30, 26, 22, _____
18
(Minus 4)
What is 15 x 5?
75
(10 x 5) + (5 x 5) = 50 + 25 = 75
What is the elapsed time from 5:15 PM to 6:05 PM?
50 minutes
What is 110 divided by 10?
11
What is 12 x 12?
144
(12 x 10) + (12 x 2) = 120 + 24 = 144
What is the next number in the sequence:
1, 1, 2, 3, 5, 8, 13, _____
21
(Add 8+13)
What is 624 x 2?
1,248
(You can add 624 + 624)
See the image on the board. What is the area of this shape?
Answer varies.
What is 300 divided by 30?
Hint:
30 x _____ = 300
10
What is the smallest three digit odd number, where all three of the digits are different?
123