Home Activity $$ \begin{array}{l} \text { (a) } 4+3 \times 2-1 \ = \ = \ = \ \text { (c) } 30-\frac{1}{4} \text { of } 20+2 \ = \ = \ = \end{array} $$ $$ (e) 12 \times(20-15) \div 2+3 $$ $$ \begin{array}{l} \text { (b) } 36 \div(5+4) \times 3 \ = \ = \ = \ \text { (a) }(9+5)+(9-5) \ = \ = \ = \end{array} $$

Question

UpStudy AI · Accepted Answer

Sure! Let's solve each part of the Home Activity step by step.

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### (a) $$ 4 + 3 \times 2 - 1 $$

$$
\begin{array}{l}
4 + 3 \times 2 - 1 \
= 4 + 6 - 1 \quad \text{(Multiply } 3 \times 2 \text{)} \
= 10 - 1 \quad \text{(Add } 4 + 6 \text{)} \
= 9 \quad \text{(Subtract } 1 \text{ from } 10 \text{)} \
\end{array}
$$

**Answer:** $$ 9 $$

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### (b) $$ 36 \div (5 + 4) \times 3 $$

$$
\begin{array}{l}
36 \div (5 + 4) \times 3 \
= 36 \div 9 \times 3 \quad \text{(Add } 5 + 4 \text{)} \
= 4 \times 3 \quad \text{(Divide } 36 \div 9 \text{)} \
= 12 \quad \text{(Multiply } 4 \times 3 \text{)} \
\end{array}
$$

**Answer:** $$ 12 $$

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### (c) $$ 30 - \frac{1}{4} \text{ of } 20 + 2 $$

$$
\begin{array}{l}
30 - \frac{1}{4} \times 20 + 2 \
= 30 - 5 + 2 \quad \text{(Calculate } \frac{1}{4} \times 20 = 5 \text{)} \
= 25 + 2 \quad \text{(Subtract } 5 \text{ from } 30 \text{)} \
= 27 \quad \text{(Add } 25 + 2 \text{)} \
\end{array}
$$

**Answer:** $$ 27 $$

---

### (d) $$ 12 \times (20 - 15) \div 2 + 3 $$

$$
\begin{array}{l}
12 \times (20 - 15) \div 2 + 3 \
= 12 \times 5 \div 2 + 3 \quad \text{(Subtract } 15 \text{ from } 20 \text{)} \
= 60 \div 2 + 3 \quad \text{(Multiply } 12 \times 5 \text{)} \
= 30 + 3 \quad \text{(Divide } 60 \div 2 \text{)} \
= 33 \quad \text{(Add } 30 + 3 \text{)} \
\end{array}
$$

**Answer:** $$ 33 $$

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### (e) $$ (9 + 5) + (9 - 5) $$

$$
\begin{array}{l}
(9 + 5) + (9 - 5) \
= 14 + 4 \quad \text{(Calculate } 9 + 5 = 14 \text{ and } 9 - 5 = 4 \text{)} \
= 18 \quad \text{(Add } 14 + 4 \text{)} \
\end{array}
$$

**Answer:** $$ 18 $$

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Feel free to reach out if you have any more questions!
**Solutions:** (a) $$ 4 + 3 \times 2 - 1 = 9 $$ (b) $$ 36 \div (5 + 4) \times 3 = 12 $$ (c) $$ 30 - \frac{1}{4} \times 20 + 2 = 27 $$ (d) $$ 12 \times (20 - 15) \div 2 + 3 = 33 $$ (e) $$ (9 + 5) + (9 - 5) = 18 $$

Home Activity
[
\begin{array}{l}
(a) 4+3 \times 2-1 \
= \
= \
= \
(c) 30-\frac{1}{4} of 20+2 \
= \
= \

\end{array}
]

[
\begin{array}{l}
(b) 36 \div(5+4) \times 3 \
= \
= \
= \
(a)(9+5)+(9-5) \
= \
= \

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(a)

(b)

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(d)

(e)

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Home Activity [ \begin{array}{l} (a) 4+3 \times 2-1 \ = \ = \ = \ (c) 30-\frac{1}{4} of 20+2 \ = \ = \

\end{array} ] [ \begin{array}{l} (b) 36 \div(5+4) \times 3 \ = \ = \ = \ (a)(9+5)+(9-5) \ = \ = \