To solve the problem, we need to identify which numbers in each set are even and which are odd. Let's break it down step by step.
Part (a): Identify Even and Odd Numbers
#### Set 1:
-
Numbers: 32, 45, 68, 79, 90
-
Even Numbers: A number is even if it is divisible by 2.
- 32 ÷ 2 = 16 (even)
- 45 ÷ 2 = 22.5 (odd)
- 68 ÷ 2 = 34 (even)
- 79 ÷ 2 = 39.5 (odd)
- 90 ÷ 2 = 45 (even)
-
Odd Numbers: The remaining numbers are odd.
- Odd: 45, 79
#### Set 2:
-
Numbers: 14, 27, 36, 49, 58
-
Even Numbers:
- 14 ÷ 2 = 7 (even)
- 27 ÷ 2 = 13.5 (odd)
- 36 ÷ 2 = 18 (even)
- 49 ÷ 2 = 24.5 (odd)
- 58 ÷ 2 = 29 (even)
-
Odd Numbers:
- Odd: 27, 49
#### Set 3:
-
Numbers: 51, 64, 77, 82, 95
-
Even Numbers:
- 51 ÷ 2 = 25.5 (odd)
- 64 ÷ 2 = 32 (even)
- 77 ÷ 2 = 38.5 (odd)
- 82 ÷ 2 = 41 (even)
- 95 ÷ 2 = 47.5 (odd)
-
Odd Numbers:
- Odd: 51, 77, 95
Part (b): Identify Even and Odd Numbers
#### Set 1:
-
Numbers: 102, 115, 128, 139, 150
-
Even Numbers:
- 102 ÷ 2 = 51 (even)
- 115 ÷ 2 = 57.5 (odd)
- 128 ÷ 2 = 64 (even)
- 139 ÷ 2 = 69.5 (odd)
- 150 ÷ 2 = 75 (even)
-
Odd Numbers:
- Odd: 115, 139
#### Set 2:
-
Numbers: 144, 157, 166, 179, 190
-
Even Numbers:
- 144 ÷ 2 = 72 (even)
- 157 ÷ 2 = 78.5 (odd)
- 166 ÷ 2 = 83 (even)
- 179 ÷ 2 = 89.5 (odd)
- 190 ÷ 2 = 95 (even)
-
Odd Numbers:
- Odd: 157, 179
#### Set 3:
-
Numbers: 201, 214, 227, 238, 251
-
Even Numbers:
- 201 ÷ 2 = 100.5 (odd)
- 214 ÷ 2 = 107 (even)
- 227 ÷ 2 = 113.5 (odd)
- 238 ÷ 2 = 119 (even)
- 251 ÷ 2 = 125.5 (odd)
-
Odd Numbers:
- Odd: 201, 227, 251
Final Answer
#### Part (a):
-
Set 1: Even: 32, 68, 90; Odd: 45, 79
-
Set 2: Even: 14, 36, 58; Odd: 27, 49
-
Set 3: Even: 64, 82; Odd: 51, 77, 95
#### Part (b):
-
Set 1: Even: 102, 128, 150; Odd: 115, 139
-
Set 2: Even: 144, 166, 190; Odd: 157, 179
-
Set 3: Even: 214, 238; Odd: 201, 227, 251
\boxed{
\begin{array}{ll}
\text{Part (a)} & \text{Part (b)} \\
\text{Set 1: Even: 32, 68, 90; Odd: 45, 79} & \text{Set 1: Even: 102, 128, 150; Odd: 115, 139} \\
\text{Set 2: Even: 14, 36, 58; Odd: 27, 49} & \text{Set 2: Even: 144, 166, 190; Odd: 157, 179} \\
\text{Set 3: Even: 64, 82; Odd: 51, 77, 95} & \text{Set 3: Even: 214, 238; Odd: 201, 227, 251} \\
\end{array}
}
Parent Tip: Review the logic above to help your child master the concept of ordering numbers worksheet 4.