Number Fun
What number is in the thousands place?
130 489
0
What is happening to the output number each time?
Input Output
0 20
1 14
2 8
3 2
4 -4
- 6
2+3x3
11
Foote 2 measured two angles of a triangle: 30° and 100°. What does the third angle have to be?
50°
Round this number to the nearest thousand:
7 825 349
7 825 000
(Seven million eight hundred twenty five thousand)
True or false?
-1 > -0.8
False
What is the pattern rule?
Time Cost
1 2
2 4
3 6
2n
2(10x4)
80
∠ ABC measures 190 degrees. What type of angle is this?
Reflex angle
What is the first number 3 numbers of pi?
3.14
What place value is the 7 in?
25.625704
Ten thousandths
What is the pattern rule?
Input Output
0 2
1 4
2 6
3 8
2n+2
(5+14)-4x3
7
What is the name of a triangle has 3 sides the same length (and three angles the same measurement)?
Acute equilateral triangle
What is a four-digit number that is a palindrome? (hint: an example of a palindrome is the word "racecar" or "tacocat")
Up to you! But has to be the same forward and backwards
Which of these numbers is a prime number?
4, 6, 10, 16, 20
None!
What is the pattern rule?
Input Output
1 1
2 4
3 9
4 16
nxn (or n2)
-5x5+(4x6)
-1
Kohen found a triangle that has side lengths 6m, 8m, and 25m. The interior angles measure 90°, 15°, and 75°. What type of triangle is this?
Right scalene triangle
1089 x 9
9801
Which set of numbers are multiples of 24
a) 1, 2, 3, 4, 6, 8, 12, 24
b) 24, 48, 72, 96...
b) 24, 48, 72, 96...
Input Output
1 3
2 7
3 11
4 15
4n-1
Where can you put brackets to make this expression correct?
10 + 2 x 8 ÷ 4 + 3 = 20
10 + 2 x (8 ÷ 4 + 3) = 20
Miss Mills measured the four angles of a quadrilateral: 20°, 75°, 105°, and 60°. Did they measure the angles correctly? What was the sum? What should it be?
No, the sum is 260° and a quadrilateral should measure 360°.
What letter is in every odd number?
e