3.3 Subtract integers  (Page 6/6)

$8-2$

$9-3$

$\mathrm{-5}-(\mathrm{-1})$

$\mathrm{-6}-(\mathrm{-4})$

$\mathrm{-5}-4$

$\mathrm{-7}-2$

$8-(\mathrm{-4})$

$7-(\mathrm{-3})$

1. ⓐ $15-6$
2. ⓑ $15+(\mathrm{-6})$

1. ⓐ $12-9$
2. ⓑ $12+(\mathrm{-9})$

1. ⓐ $44-28$
2. ⓑ $44+(\mathrm{-28})$

1. ⓐ $35-16$
2. ⓑ $35+(\mathrm{-16})$

1. ⓐ $8-(\mathrm{-9})$
2. ⓑ $8+9$

1. ⓐ $4-(\mathrm{-4})$
2. ⓑ $4+4$

1. ⓐ $27-(\mathrm{-18})$
2. ⓑ $27+18$

1. ⓐ $46-(\mathrm{-37})$
2. ⓑ $46+37$

$15-(\mathrm{-12})$

$14-(\mathrm{-11})$

$10-(\mathrm{-19})$

$11-(\mathrm{-18})$

$48-87$

$45-69$

$31-79$

$39-81$

$\mathrm{-31}-11$

$\mathrm{-32}-18$

$\mathrm{-17}-42$

$\mathrm{-19}-46$

$\mathrm{-103}-(\mathrm{-52})$

$\mathrm{-105}-(\mathrm{-68})$

$\mathrm{-45}-(\mathrm{-54})$

$\mathrm{-58}-(\mathrm{-67})$

$8-3-7$

$9-6-5$

$\mathrm{-5}-4+7$

$\mathrm{-3}-8+4$

$\mathrm{-14}-(\mathrm{-27})+9$

$\mathrm{-15}-(\mathrm{-28})+5$

$71+(\mathrm{-10})-8$

$64+(\mathrm{-17})-9$

$\mathrm{-16}-(\mathrm{-4}+1)-7$

$\mathrm{-15}-(\mathrm{-6}+4)-3$

$(2-7)-(3-8)$

$(1-8)-(2-9)$

$-(6-8)-(2-4)$

$-(4-5)-(7-8)$

$25-[10-(3-12)]$

$32-[5-(15-20)]$

$6·3-4·3-7·2$

$5·7-8·2-4·9$

$5^2-6^2$

$6^2-7^2$

$x-6\text{when}$

1. ⓐ $x=3$
2. ⓑ $x=\mathrm{-3}$

$x-4\text{when}$

1. ⓐ $x=5$
2. ⓑ $x=\mathrm{-5}$

$5-y\text{when}$

1. ⓐ $y=2$
2. ⓑ $y=\mathrm{-2}$

$8-y\text{when}$

1. ⓐ $y=3$
2. ⓑ $y=\mathrm{-3}$

$4x^2-15x+1\text{when}x=3$

$5x^2-14x+7\text{when}x=2$

$\mathrm{-12}-5x^2\text{when}x=6$

$\mathrm{-19}-4x^2\text{when}x=5$

1. ⓐ The difference of $3$ and $\mathrm{-10}$
2. ⓑ Subtract $\mathrm{-20}$ from $45$

1. ⓐ The difference of $8$ and $\mathrm{-12}$
2. ⓑ Subtract $\mathrm{-13}$ from $50$

1. ⓐ The difference of $\mathrm{-6}$ and $9$
2. ⓑ Subtract $\mathrm{-12}$ from $\mathrm{-16}$

1. ⓐ The difference of $\mathrm{-8}$ and $9$
2. ⓑ Subtract $-15$ from $-19$

1. ⓐ $8$ less than $\mathrm{-17}$
2. ⓑ $-24$ minus $37$

1. ⓐ $5$ less than $\mathrm{-14}$
2. ⓑ $\mathrm{-13}$ minus $42$

1. ⓐ $21$ less than $6$
2. ⓑ $31$ subtracted from $\mathrm{-19}$

1. ⓐ $34$ less than $7$
2. ⓑ $29$ subtracted from $\mathrm{-50}$

Temperature One morning, the temperature in Urbana, Illinois, was $\text{28° Fahrenheit.}$ By evening, the temperature had dropped $\text{38° Fahrenheit.}$ What was the temperature that evening?

Temperature On Thursday, the temperature in Spincich Lake, Michigan, was $\text{22° Fahrenheit.}$ By Friday, the temperature had dropped $\text{35° Fahrenheit.}$ What was the temperature on Friday?

Temperature On January 15, the high temperature in Anaheim, California, was $\text{84° Fahrenheit.}$ That same day, the high temperature in Embarrass, Minnesota was $\text{−12° Fahrenheit.}$ What was the difference between the temperature in Anaheim and the temperature in Embarrass?

Temperature On January 21, the high temperature in Palm Springs, California, was $\text{89°,}$ and the high temperature in Whitefield, New Hampshire was $\text{−31°}.$ What was the difference between the temperature in Palm Springs and the temperature in Whitefield?

Football At the first down, the Warriors football team had the ball on their $\text{30-yard line.}$ On the next three downs, they gained $\text{2 yards,}$ lost $\text{7 yards,}$ and lost $\text{4 yards.}$ What was the yard line at the end of the third down?

Football At the first down, the Barons football team had the ball on their $\text{20-yard line.}$ On the next three downs, they lost $\text{8 yards,}$ gained $\text{5 yards,}$ and lost $\text{6 yards.}$ What was the yard line at the end of the third down?

Checking Account John has $\text{\$148}$ in his checking account. He writes a check for $\text{\$83.}$ What is the new balance in his checking account?

Checking Account Ellie has $\text{\$426}$ in her checking account. She writes a check for $\text{\$152.}$ What is the new balance in her checking account?

Checking Account Gina has $\text{\$210}$ in her checking account. She writes a check for $\text{\$250.}$ What is the new balance in her checking account?

Checking Account Frank has $\text{\$94}$ in his checking account. He writes a check for $\text{\$110.}$ What is the new balance in his checking account?

Checking Account Bill has a balance of $\text{−\$14}$ in his checking account. He deposits $\text{\$40}$ to the account. What is the new balance?

Checking Account Patty has a balance of $\text{−\$23}$ in her checking account. She deposits $\text{\$80}$ to the account. What is the new balance?

Camping Rene is on an Alpine hike. The temperature is $-\mathbf{\text{7}}\mathbf{\text{°}}.$ Rene’s sleeping bag is rated “comfortable to $-\mathbf{\text{20}}\text{°”.}$ How much can the temperature change before it is too cold for Rene’s sleeping bag?

Scuba Diving Shelly’s scuba watch is guaranteed to be watertight to $\mathrm{-100}\text{feet}.$ She is diving at $\mathrm{-45}\text{feet}$ on the face of an underwater canyon. By how many feet can she change her depth before her watch is no longer guaranteed?

Explain why the difference of $9$ and $\mathrm{-6}$ is $15.$

Why is the result of subtracting $3-(\mathrm{-4})$ the same as the result of adding $3+4?$