Build It and Round It!
Build the number: 3,000 + 500 + 20 + 6.
3,526
What do we call a triangle with three equal sides?
Equilateral triangle
What is the next number? 7, 12, 17, 22, ___.
27
What are the factors of 7? Is 7 prime or composite?
1, 7. Prime.
Find the mode: 6, 3, 6, 8, 6.
6
Build the number: 7,000 + 400 + 8.
7,408
A triangle has sides of 5 cm, 5 cm and 8 cm. What type is it?
Isosceles triangle
Find the missing number: 14, 21, ___, 35, 42.
28
List all the factors of 10.
1, 2, 5, 10
Find the median: 9, 3, 7, 5, 1.
5
Round 673 to the nearest hundred.
700
A triangle has sides of 4 cm, 6 cm and 7 cm. What type is it?
Scalene triangle
Give the next two numbers: 63, 55, 47, 39, ___, ___.
31, 23
Is 9 prime or composite? Prove it by listing its factors.
Composite: 1, 3, 9.
Find the mode and median: 12, 8, 10, 8, 15.
Mode: 8. Median: 10.
Round 850 to the nearest hundred.
900
How many lines of symmetry does a rectangle have if it is not a square?
2
Give the next three numbers and the rule: 16, 25, 34, 43, …
52, 61, 70. Add 9 each time.
List all the factors of 18. Is it prime or composite?
1, 2, 3, 6, 9, 18. Composite.
Find the mode and median: 24, 18, 21, 18, 30, 26, 18.
Mode: 18. Median: 21.
Build the number 4,000 + 600 + 50 + 2. Then round it to the nearest hundred.
4,652 → 4,700
How many lines of symmetry does a square have?
4
Give the next three numbers and the rule: 92, 85, 78, 71, …
64, 57, 50. Subtract 7 each time.
I am between 20 and 30. My only factors are 1, 5 and myself. What number am I, and am I prime or composite?
25. Composite.
Find the mode and median: 42, 35, 28, 35, 50, 31, 35, 46, 40.
Mode: 35. Median: 35.