homework_remembering_te_grade_4-1zwawpi

4-1
Name
Date
Simplify each expression.
1. 11m - 9m = 2m 2. y + 8y = 9y
3. 13s - s =
12s
4. d + 2d + d = 4d 5. (9b - b) - 2b = 6b 6. 104z + z = 105z
7. 21 - (10 - 5) = 16 8. (900 - 100) - 100 = 700 9. 90 - (50 - 1) =
10. 18 ÷ (27 ÷ 9) = 6 11. (63 ÷ 7) ÷ 9 = 1 12. 40 ÷ (36 ÷ 9) =
41
10
13. (48 ÷ 6) ⋅ (11 - 9) = 16 14. (3 + 17) ÷ (16 - 12) = 5
15. (15 + 10) - (50 ÷ 10) = 20 16. (19 + 11) ÷ (9 - 6) =
10
Evaluate.
17. c = 3
18. r = 2
19. w = 7
4 ⋅ (7 - c)
(42 ÷ 7) ⋅ (r + 1)
(72 ÷ 9) ⋅ w
16
18
56
20. m = 0
21. h = 14
22. p = 19
(12 ÷ 3) ⋅ (5 - m)
45 ÷ (h - 5)
(p + 1) ÷ (9 - 4)
20
5
4
23. v = 6
24. t = 1
25. g = 10
© Houghton Mifflin Harcourt Publishing Company
(18 - 9) + (2 + v)
17
Solve for or n.
26. 7 ⋅ (3 + 2) = 7 ⋅
= 5
29. 6 ⋅ (8 - 8) = n
(7 ⋅ 2) ÷ t
14
27. (9 - 1) ⋅ 4 = ⋅ 4
= 8
30. (12 - 6) ÷ 3 = n
(g + 90) ÷ (17 - 13)
25
28. 8 ⋅ (4 + 5) = ⋅ 9
= 8
31. (21 ÷ 7) ⋅ (5 + 5) = n
n =
0
n =
2
n =
30
UNIT 4 LESSON 1 Properties and Algebraic Notation 89