An aircraft fuel tank is 5/8 full and contains 250 litres. What is the total capacity of the tank?
Arithmetic
Question · Medium
The carpenter's square-corner trick
Short
EASA Part-66 Module 1 Mathematics in 2026: Current Syllabus, Question Map, and Study Plan
A source-checked 2026 guide to EASA Part-66 Module 1 Mathematics, including Category A versus B knowledge levels, official AMC question allocation, exam rules, legacy-source traps, and a focused four-week plan.
Blog
How do you add two fractions with different denominators, such as 1/3 + 1/4?
Fractions & Decimals
Flashcard
Convert the fraction 3/8 to a decimal.
Question · Easy
Chapter 1: Basic Arithmetic
1.1 Arithmetical Terms, Signs, Fractions, and Decimals
Study guide
Cheat sheet
What is the lowest common multiple (LCM) of 6 and 8?
Convert the fraction 5/8 to a decimal and a percentage.
A length of control cable is 3.5 metres. How many millimetres is this?
The recorded outside air temperatures on five flights were 12, 15, 9, 18 and 6 degrees Celsius. What is the average (arithmetic mean) temperature?
Find x
What is the rule for dividing one fraction by another, e.g. 2/3 divided by 4/5?
A component originally priced at 80 euros is reduced by 15%. What is the new price?
1.2 Ratios, Proportions, and Percentages
Two gears mesh with a ratio of 3:5. If the smaller gear has 24 teeth, how many teeth does the larger gear have?
Divide 120 in the ratio 2:3:5. What is each share?
Ratio, Percentage & Averages
What is the value of 2.5 × 0.04?
A rectangular access panel measures 0.6 m by 0.4 m. What is its area?
Tear the corners off any triangle…
A value increases from 80 to 100. What is the percentage increase?
What is the volume of a rectangular box measuring 2 m long, 1.5 m wide and 0.5 m high?
1.3 Weights, Measures, and Conversion Factors
What is the square root of 144?
What is the mean (average) of the measurements 4, 7, 9, 12, and 13?
What is the value of 2 cubed (2 to the power 3)?
A maintenance task is shared between three technicians in the ratio 2:3:5. If the total time is 40 hours, how many hours does the technician with the largest share work?
What is the area of a circle with radius 7 cm (use pi = 22/7)?
Areas, Volumes & Roots
What is 3/4 + 1/6 expressed as a single fraction?
Chapter 2: Applied Arithmetic & Geometry
2.1 Averages
A torque value of 25 Nm needs to be increased by 8%. What is the new torque value?
A cylindrical fuel tank has radius 2 m and height 5 m. What is its volume?
Simplify the algebraic expression 3a + 5a − 2a.
Algebra
Solve the linear equation 4x − 7 = 13 for x.
What is the area of a right triangle with base 10 cm and height 6 cm?
Evaluate the expression 2(x + 3) − 4 when x = 5.
2.2 Squares, Cubes, and Roots
What is the value of 5 to the power 0?
What is the square root of 144, and the cube root of 27?
Simplify the expression x^4 × x^3 using the laws of indices.
Solve the simultaneous equations x + y = 10 and x − y = 4.
Convert 2.5 metres into millimetres.
Units & Conversions
What is the value of the negative index expression 2 to the power −3?
Question · Hard
2.3 Areas and Volumes of Shapes
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