Equations
-35+4x18 -20=
17
The diner owes $24. It sells 8 hamburgers for a profit of $5 each, then pays $12 in taxes. What is its balance?
$4
3659+567+345+12+ -23=
4,560
A diver starts 6 feet below sea level. She descends 4 feet per minute for 3 minutes, then rises 9 feet. What is her final position relative to sea level?
= -9 feet
MENTAL MATH
3 x 3 - 59 + 10=
= 40
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Mr. Pleasant
6794+346-235-100+50=
6,855
At 10 a.m., the temperature was -6°F. Over the next 3 hours, it rose 4°F each hour. Then it dropped 10°F. What was the final temperature?
-4
(-42) ÷ 7 + 6 × (-2)
=-18
An elevator starts on floor -3. It moves up 6 floors on each of 2 trips, then moves down 5 floors on each of 3 trips. On what floor does it end?
= - 6
54 ÷ (-9) × (-2) - 8
= 4
MENTAL MATH
8 x 20 ?
= 160
Mental Math
10+850+30+200
1090
A freezer begins at -10°C. A malfunction raises the temperature 3°C each hour for 4 hours. A repair then lowers it by 5°C. What is the final temperature?
-3
23.67+56.58+25+ -10=
95.25
A football team lost 7 yards on each of 3 plays, then gained 28 yards on the next play. What was its net change in yards?
= 7yards
256 ÷ 4
= 64
MENTAL MATH
186 + 14 = ?
= 200
-76+52+856+ -225=
607
A gamer loses 10 points per failed level for 5 levels, then earns 50 points across 5 successful levels. What is the overall point change?
=0
99.45-72.46=
26.99
A submarine is at -90 meters. It rises 12 meters per minute for 4 minutes, then descends 18 meters. What is its final depth?
= -60 meters
650 ÷ 13
= 50
15 - (-5) × 4
= 35
-12+4(7) - 18 ÷3=
10
A checking account has a balance of -$35. Four deposits of $18 are made, and a $20 fee is charged. What is the new balance?
=$17
(-2) × [15 - 21] ÷ 3
= 4
A club has a debt of $72. Six members split the debt equally, and then each member raises $17. What is each member’s net amount after paying their share of the debt?
= $5
72 ÷ [3 × (-4)] - 2
= -8
40 ÷ (-5) - 3 × (-4)
= 4