Directions Check each expression that illustrates the associative property of addition. x+ (12 + 2) = (x + 12) + z 1. (5 + 8) + 1 = 5 + (8 + 1) 4. 2.n+ (5 + w) = (n + 5) + w 5. 58 + 13 = 71 3. 11 +6+1=11 + 6 + y 6. k+ 16 =r-2 Directions Check each expression that illustrates the associative property of multiplication. 7. _ 32(2 • 4) = (32 • 2)4 10. (9• 3)4 = 9(3• 4) 8. 8y 2y + 2 11. (18• 2)6 = (18 • 2)6 (pr)w = p(rw) 12. 3(qy) = (3q)y Directions Answer the questions. A fruit company packs oranges in the following types of boxes. Воx Туре А Вох Туре в 1 tray 1 tray (O 13. If (4 • 3) calculates the number of oranges in 14. If (3 • 2) calculates the number of oranges in one tray of Box A, which expression calculates the total oranges for Box A? (Check one.) one tray of Box B, which expression calculates the total oranges for Box B? (Check one.) _ (4 • 3)2 b. (2 • 3)4 3(2• 4) b.4(3 • 2) 15. Is the statement (4 • 3)2 = 4(3 • 2) true? Can you now state whether Box A and Box B contain the same number of oranges?.
Percentage
A percentage is a number indicated as a fraction of 100. It is a dimensionless number often expressed using the symbol %.
Algebraic Expressions
In mathematics, an algebraic expression consists of constant(s), variable(s), and mathematical operators. It is made up of terms.
Numbers
Numbers are some measures used for counting. They can be compared one with another to know its position in the number line and determine which one is greater or lesser than the other.
Subtraction
Before we begin to understand the subtraction of algebraic expressions, we need to list out a few things that form the basis of algebra.
Addition
Before we begin to understand the addition of algebraic expressions, we need to list out a few things that form the basis of algebra.
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