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Questions and Answers
What is the sum of $2.50$ and $8.13$?
In the 24-hour clock, what does 18:00 represent in the 12-hour clock?
How many lines of symmetry does a pentagon have?
Which shape has 6 lines of symmetry?
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If an event starts at 10:30 a.m. and lasts for 2 hours and 45 minutes, at what time does the event end?
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What is the next number in the sequence: 3,6,12,24,?
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What is the value of the digit '2' in the number 5.286?
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How many degrees are there in a right angle?
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What type of angle is 120 degrees?
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What is the sum of all angles in a straight line?
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What is the next number in the sequence: 5, 8, 11, 14, ___?
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If Lucy buys a hat for £4.89 and pays with a £10 note, how much change does Lucy get?
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How much money does Nicky have if he initially had £8.60 and then spent £2.75?
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In 2020, Sarah watched two movies. If she watches twelve movies in 2021, how many movies did she watch in 2020 and 2021 combined?
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What is the difference in the number of movies Sarah watched in 2020 and 2021?
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Study Notes
3D Shapes
- A cone, cube, triangular prism, cuboid, sphere, pyramid, and cylinder are examples of 3D shapes.
- A line of symmetry is a line that divides a shape into two identical halves.
Symmetry
- A rectangle has 2 lines of symmetry.
- A pentagon has 5 lines of symmetry.
- A square has 4 lines of symmetry.
- A hexagon has 6 lines of symmetry.
- A trapezium has 1 line of symmetry.
- An arrow has 1 line of symmetry.
Sequences
- A number sequence is a list of numbers that follows a pattern.
- Examples of sequences include +6, -5, x2.
Angles
- An acute angle is an angle less than 90°.
- A right angle is an angle equal to 90°.
- An obtuse angle is an angle greater than 90° but less than 180°.
- A straight line or straight angle is an angle equal to 180°.
Finding Missing Angles
- A straight line is always 180°.
Clocks and Time
- The 24-hour clock and 12-hour clock are two ways to tell time.
- To convert from 24-hour clock to 12-hour clock, use a.m. for morning and p.m. for afternoon.
- Elapsed time is the amount of time that has passed.
Decimal Place Value
- In a decimal number, the digits represent hundreds, tens, units, tenths, and hundredths.
- The decimal point is used to separate the whole number part from the fraction part.
Adding and Subtracting Money
- When writing amounts of money, use a decimal point to separate pounds and pence.
- To add or subtract money, first convert pence to decimal numbers.
Interpreting Line Graphs
- A line graph shows a relationship between two variables.
- To analyze a line graph, identify the title, axis labels, and data points.
Studying That Suits You
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Description
Test your knowledge on various 3D shapes like cone, cube, triangular prism, and more, along with the concept of lines of symmetry. The quiz also covers different sequences of numbers.
