Page 3 - Syok Praktis PBD (2023) Mathematics TH4

Name:........................................................................... Class:.............................. Date:.......................

Practice Fractions, Decimals and Numbers and Operations
Theme 1
2 Percentages

Textbook pages: 67 – 104
SYOK Study

1. Identifying the mixed number. Example:
2
Mixed numbers have one completely shaded Convert 1— into improper fraction.
part and another part in the form of fraction. 3
2
(3 × 1) + 2
Method 1: 1— = ————–
3 3
3 + 2
= ——–
3
5
Completely shaded Fraction = —
part part 3
Method 2: Convert 1 to the fraction with
2. Convert the improper fraction into mixed denominator 3.
numbers.
Example: Convert 1 into
2
2
9 1— = 1 + — a fraction with
Convert — into mixed number. 3 3 denominator 3.
4
Method 1: Draw a diagram 1 × 3 2
= ——– + —
1 × 3 3
3 2 5
= — + — = —
3 3 3
4. Addition of fraction, whole number and mixed
4 4 1 9 numbers with a common denominator or
— + — + — = —
4 4 4 4 different denominators.
Example:
1 1 1 2 1 2
1 + 1 + — = 2— — + 1 — = — + 1 + —
4 4 5 5 5 5
3 3
Method 2: Perform long division. Divide the = 1 + — = 1 —
5
5
numerator 9 by denominator 4.
2 Example: Make the denominators the same.
4  9 9 1 Numerator
– 8 \ — = 2 — — + — + 2 — = ——– + ——– + 2 —
1 × 5
2 × 2
3
3
1
2
4
4
1 Denominator 5 2 10 5 × 2 2 × 5 10
Whole number 4 5 3
= — + — + 2 —
10 10 10
12
3. Convert the mixed numbers into improper = 2—
fraction. 10
Simplify it. 2 1
= 3— = 3 —
10 5
© Penerbitan Pelangi Sdn. Bhd. 12

02 SYOK! Praktis PBD Maths Y4.indd 12 13/10/2022 2:42 PM