Number Patterns
4, 8, __, __, __, __
What are the next 4 numbers?
12, 16, 20, 24
What is the value of the 6 in 3,640?
600
Round 63 to the nearest ten
60
circle, triangle, circle, triangle, circle, triangle
What are the next 2
circle, triangle
12, 24, 36, 48, 60: are all the numbers odd or even?
Even
80, __, 74, __, __, __
What is the rule?
What are the missing numbers?
Rule: Subtract 3
80, 77, 74, 71, 68, 65
Write 5,283 in expanded form
5,000 + 200 + 80 + 3
Round 748 to the nearest hundred
700
right triangle, square, pentagon, repeating
What are the next 3?
right triangle, square, pentagon
12, 24, 36, 48, 60 are all multiples of what number?
3, __, __, __, __
Multiply by 2
What are the next 4 numbers?
6, 12, 24, 48
The 7 in 700 is how many times the value of the 7 in 70?
10 times
Round 5,486 to the nearest thousand
5,000
A pattern goes: triangle, hexagon, triangle, hexagon
What is the pattern without using shape names?
Sides go 3, 6, 3, 6, or hexagons are in the even spots
Will 72 be in this pattern if it keeps going? How do you know?
Yes. 60 + 12 = 72, or 72 is a multiple of 12
32, __, __, __, __
Rule: Divide by 2
What are the next 4 numbers?
16, 8, 4, 2
Write 306,250 in word form
Three hundred six thousand, two hundred fifty
Round 25,950 to the nearest thousand
26,000
The dot figures have 1, 3, 5, 7, and 9 dots. How many dots are in Figures 6 and 7?
11 and 13 (add 2 each time)
Look at 5, 10, 15, 20, 25. Are the numbers all odd, all even, or both? What do you notice?
Both. They take turns: odd, even, odd, even
Find the rule
2, 8, 32, 128
What comes next?
Rule: Multiply by 4
512
Write 40,000 + 3,000 + 70 + 6 as a number
43,076
Round 99,500 to the nearest thousand
100,000
Circle, triangle, circle, triangle…
Is the 20th shape a circle or a triangle? How do you know?
A triangle. Triangles are in the even spots (2nd, 4th, 6th…), and 20 is even
20, 24, 28, 32, 36 are all even. Why do they stay even?
An even number plus an even number is always even