Addition and Subtraction of Fractions and Word Problems for JSS 1
Fractions with different denominators must be rewritten with a common denominator before addition or subtraction. Mixed numbers can…
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JSS 1
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AMathematicsBASIC OPERATIONS JUNIOR SECONDARY 1
7
BASIC OPERATIONS JUNIOR SECONDARY 1
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Multiplication and Division of Fractions and Word Problems for JSS 1
To multiply fractions, multiply their numerators and denominators. To divide by a nonzero fraction, multiply by its reciprocal,…
Estimating Length, Capacity, Mass, Age and Time for JSS 1
An estimate gives a reasonable approximate measurement rather than an exact value. Familiar units help judge distances, mass,…
Rounding and Approximating Arithmetic Results for JSS 1
Rounding replaces a number with a nearby value at a chosen place. Check the digit immediately to its…
Addition of Binary Numbers for JSS 1
Binary addition follows four basic combinations: 0+0=0, 0+1=1, 1+0=1 and 1+1=10. The last requires carrying 1 into the…
Subtraction of Binary Numbers for JSS 1
In binary subtraction, 1−0=1 and 1−1=0. If a column requires 0−1, borrow from the next higher place, which…
Multiplication of Binary Numbers for JSS 1
Binary multiplication uses just 0 and 1: multiplying by 0 gives 0, while multiplying by 1 copies the…
BMathematicsALGEBRAIC PROCESSES JUNIOR SECONDARY 1
4
ALGEBRAIC PROCESSES JUNIOR SECONDARY 1
Open Sentences, Symbols and Missing Values for JSS 1
An open sentence contains a missing value, often represented by a box or letter. Substituting the correct number…
Solving Open Sentences with Arithmetic Operations for JSS 1
A missing number can be found by reversing the given operation: subtraction undoes addition, and division undoes multiplication…
Like Terms, Coefficients and Simplification of Algebraic Expressions for JSS 1
Like terms contain the same variables raised to the same powers. Their numerical coefficients can be added or…
Translating Statements and Solving Simple Equations for JSS 1
Statements such as “five more than a number” can be written as x+5. Solving a simple equation means…
CMathematicsMENSURATION AND GEOMETRY JUNIOR SECONDARY 1
1
MENSURATION AND GEOMETRY JUNIOR SECONDARY 1
Properties and Perimeters of Plane Shapes for JSS 1
Perimeter is the total distance around a flat shape. Add its side lengths, or use formulas such as…