Page 58 - Math Course 2 (Book 1)
P. 58
Real Number System
Skill Practice!
Name all of the sets of numbers to which each real number belongs. Let N = natural numbers,
W = whole numbers, Z = integers, Q = rational numbers, and I = irrational numbers.
1. 12 2. 25 3. –5
1 1
4. 5. 6. 0.343434. . .
8 9
Determine whether each statement is sometimes, always, or never true.
7. A whole number is a rational number.
8. A rational number is a natural number.
9. A negative number is an integer.
10. Zero is a natural number.
Replace the • with <, >, or = to make a true statement. Order each set of numbers from least to greatest.
3 1 1
28
5
11. • 2 13. , 5.3, , 2
4
7 3 4
1 36
7
53
12. – • –3.5 14. , , , 7.27
12
4
5
ALGEBRA Solve each equation. Round to the nearest
tenth, if necessary.
2
15. a = 64
50
