Question

1. solve the word problems.

(1) there were 160 potatoes in a restaurant kitchen. 45 of them were used to make french fries. how many potatoes were left?
(show your work.)

(2) there were 320 swans on a lake. 150 of them flew away this week. how many swans were left on the lake?
(show your work.)

(3) 850 people were riding on a train. 300 people got off at a station. how many people were left on the train?
(show your work.)

subtract.
(1) \

$$\begin{array}{r} 562 \\\\ - 143 \\\\ \\hline \\end{array}$$

(2) \

$$\begin{array}{r} 562 \\\\ - 158 \\\\ \\hline \\end{array}$$

(3) \

$$\begin{array}{r} 413 \\\\ - 125 \\\\ \\hline \\end{array}$$

(4) \

$$\begin{array}{r} 413 \\\\ - 167 \\\\ \\hline \\end{array}$$

(5) \

$$\begin{array}{r} 425 \\\\ - 123 \\\\ \\hline \\end{array}$$

(6) \

$$\begin{array}{r} 532 \\\\ - 148 \\\\ \\hline \\end{array}$$

(7) \

$$\begin{array}{r} 532 \\\\ - 138 \\\\ \\hline \\end{array}$$

(8) \

$$\begin{array}{r} 425 \\\\ - 128 \\\\ \\hline \\end{array}$$

Explanation:

Question 1: Solve potato subtraction

$$ 160 - 45 = 115 $$

Question 2: Solve swan subtraction

$$ 320 - 150 = 170 $$

Question 3: Solve passenger subtraction

$$ 850 - 300 = 550 $$

Answer:

Question 1

(Ans.) <blank>115</blank> potatoes

Question 2

(Ans.) <blank>170</blank> swans

Question 3

(Ans.) <blank>550</blank> people