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Activity 2.1 MMW

1. The document contains an activity assessing mathematical skills involving symbols, expressions, sentences, and translating phrases to mathematical symbols. 2. It includes 10 multiple choice questions testing the use of symbols like ∩, ≥, ∈, ∪, Σ, ⊂, !, Ø, ≤, ∏, +, -, ÷, = in expressions and sentences. 3. There are also 5 items labeling expressions and sentences as true, false, or not known. Finally, it asks to translate 10 phrases into mathematical symbols like n + 4, 4n, n - 4, n ÷ 7, n(n + 7).

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J Saint Bade
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725 views1 page

Activity 2.1 MMW

1. The document contains an activity assessing mathematical skills involving symbols, expressions, sentences, and translating phrases to mathematical symbols. 2. It includes 10 multiple choice questions testing the use of symbols like ∩, ≥, ∈, ∪, Σ, ⊂, !, Ø, ≤, ∏, +, -, ÷, = in expressions and sentences. 3. There are also 5 items labeling expressions and sentences as true, false, or not known. Finally, it asks to translate 10 phrases into mathematical symbols like n + 4, 4n, n - 4, n ÷ 7, n(n + 7).

Uploaded by

J Saint Bade
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Name: Bade, Saint J O.

Date: 09/15/2021
Program: Bachelor of Science in Civil Engineering Score

Activity 2.1Mathematics as a Language

I. Consider the following symbols. Choose a symbol and place it on the blank so that the
following expressions or sentences will become true.
,  , , ,  ,  , ! , , , , +, -, , =

1. 3 + 7 ____  ____ 7 6. ½ ____  _____ Z


2. 0 ___  ___ Z 7. {1,2,4,7} ____  ____ {3,4,5} = {4}
3. {1,5} ____  _____{1,2,3,4,5} 8. 24 __  ___ 2 ___ + ___ 3 = 15
4. _  __ xi = x1 + x2 + x3+… 9.(5 ___ + ___ 4) ___  ___ 3 = 3
5. 4_ ! __ = 4(3)(2)(1) = 24 10. 3 (4 – 2) ___  ___ 3(4)

II. Label each of the following as an expression or a sentence. If it is a sentence, identify if it is


true, false or not known.

1. 3x + 2 ________________________ expression _____________________________


2. 4x + 1  5 __________________________sentence - not known _________________
3. 4 + 1 - (5 + 10) + 23 = -2 _____________ sentence - true _____________________________
4. 18  3 x 2 + 1 = 4 _________________ sentence - false ____________________________
5. x + 3  10 _______________________ expression ______________________________

III. Let n represent the number and translate each phrase or sentence into mathematical symbols.

1. Four more than a number. _______________________n + 4____________________________


2. Four times a number ____________________________4n_________________________
3. Four less than a number ___________________________n - 4_______________________
4. A number decreased by four ______________________n - 4____________________________
5. The product of four and a number___________________4n_____________________________
6. Six more than five times a number______________5n + 6_____________________________
7. Nine less than twice a number____________________2n - 9 ____________________________
8. A number divided by 7 ___________________________n  7__________________________
9. The product of a number and seven more than the number _____n (n + 7)______________
10. Eight less than twice a number is fourteen. __________2n – 8 = 14_____________________

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