Subtracting - 7th grade (12y) - math problems
Number of problems found: 111
- Length subtracting
Express in mm: 5 3/10 cm - 2/5 mm
- Opposite numbers
Calculate opposite numbers (additive inverse) to given ones:
Which decimals when subtracted equal 3.89: a - b = 3.89
- Degrees 2
The temperature was 3°F and falls four degrees Fahrenheit. What is actually temperature?
Of all 360 employees, there are 11/12 women. How many men work in a company?
- Mixing operations with numbers
Subtract twice the number -23.6 from the difference of the numbers -130 and -40.2.
Joshka had € 15. Mama took him 15%. How many had left?
- 8 degrees
8 degrees Celsius it cools down by 9 degrees Celsius. What is the resultant temperature?
- Brackets 2
Add parenthesis to make true: 5-2×6-4+2=5
- Angles in triangle
Calculate the alpha angle in the triangle if beta is 61 degrees and 98 gamma degrees.
- Complementary angles
Two angles are complementary. If one angle measures 10°, what is the measure of the second angle?
Calculate the content of the shaded part of square with side 28 cm.
- Pizza fractions
Ann ate a third of a pizza and then another quater. Total part of pizza eaten by Ann and how much pizza is left?
Place one pair of brackets in expression 20-16 + 10 - 4 - 2 so that the result will be 0.
The root of the equation ? is (equal or greater or less than zero)? ?
- It is rectangular?
Size of two of the angles in a triangle are: α=110°, β=40°. Is it a right triangle?
- A jewelry
A jewelry store has 20 grams of gold. If a pair of earrings need 1/4 gram of gold, how many grams are not used?
- Temperature change
The mean temperature change is -3.2°F per day for five days. What is the total change over the five day period?
Subtract mixed number with regrouping: 11 17/20- 6 19/20
- The outdoor
The outdoor temperature was 60 degrees Fahrenheit at midnight. The temperature went down 3 degrees each hour for the next 4 hours. What was the temperature at 4 A. M. ?
Subtracting Problems. Examples for 7th grade (seventh).