Writing Numbers
Write the number 5,432 in expanded form.
5,000 + 400 + 30 + 2
Which number is greater: 34,567 or 34,756?
34,756
What are the first three multiples of 6?
6, 12, 18
Is the number 7 prime or composite?
Prime
Solve: 3 + 4 × 2.
11
Write the number 7,061 in standard form from this expanded form: 7,000 + 60 + 1.
7,061
Arrange these integers in ascending order: -3, 7, -1, 5.
-3, -1, 5, 7
List all factors of 12.
1, 2, 3, 4, 6, 12
Name a composite number between 10 and 15.
12 or 14
Solve: (8 − 3) × 5.
25
Write the expanded form of 82,309.
80,000 + 2,000 + 300 + 9
What is the value of the 7 in the number 476,891?
70,000
Is 36 a multiple of 9?
Yes
What is the smallest prime number?
2
Solve: 6 × (2 + 3).
30
Convert the number 403,210 into expanded form.
400,000 + 3,000 + 200 + 10
Compare these numbers using >, <, or =: 305,002 ___ 305,200.
305,002 < 305,200
What is the greatest common factor of 18 and 24?
6
Name all prime numbers between 20 and 30.
23, 29
(9 + 1) ÷ 2 × 3.
15
What is the standard form of this expanded number: 6,000 + 200 + 5?
6,205
If the temperature drops from 3°C to -5°C, how many degrees did it change?
8 degrees
What is the least common multiple of 4 and 5?
20
Is 51 a prime number?
No (it’s composite: 3 × 17)
4 × (3 + 5) − 7.
25