Mixed Deck — All OC Topics Flashcards

Which sentence has correct subject-verb agreement?

Answer: The group of children is very noisy.

'Group' is the singular subject, so it takes the singular verb 'is'.

Which word is spelled correctly?

Answer: accommodate

'Accommodate' is the correct spelling, with double 'c' and double 'm'.

A car park has 3 levels with 40 spaces on each level. On Monday morning, ¾ of spaces are taken. How many spaces are free?

Answer: 30

Total spaces = 120; ¾ × 120 = 90 taken; 120 − 90 = 30 free spaces.

A clock shows 3:45. What angle do the minute and hour hands make?

Answer: 157.5°

At 3:45 the minute hand is at 270° and the hour hand is at 3×30 + 45×0.5 = 112.5°; difference = 270 − 112.5 = 157.5°.

Which statement about all squares is true?

Answer: All squares are rectangles

A square has all the properties of a rectangle (four right angles, opposite sides equal), so all squares are rectangles.

What is the meaning of "chronological order"?

Answer: Order in which events happened in time

Chronological order arranges events in the sequence they occurred in time.

What is the antonym of 'transparent'?

Answer: Opaque

'Opaque' means not transparent or see-through, which is the opposite meaning.

Tom has 3 times as many stickers as Jane. If Jane has 24 stickers, how many does Tom have?

Answer: 72

Tom has 3 × 24 = 72 stickers.

Which set of numbers has a mean of 12?

Answer: 8, 10, 14, 16

(8 + 10 + 14 + 16) ÷ 4 = 48 ÷ 4 = 12.

Organization and coherence generate a flow that easily takes the reader to your topic and point.

Answer: TRUE

When a piece of writing is well-organized and coherent, it establishes a natural and logical progression of ideas. This smooth flow guides the reader effortlessly through the text, allowing them to easily follow the writer's topic and understand the main points being conveyed. This clarity ensures the reader grasps the intended message without confusion or distraction.

Which fraction is equivalent to 3/4?

Answer: 9/12

9/12 simplifies to 3/4 because both numerator and denominator are multiplied by 3.

Coherence creates confusion for a reader.

Answer: FALSE

Coherence, by definition, refers to the quality of being logical and consistent, ensuring that all parts of a text connect smoothly and form a unified whole. Its purpose in writing is to make ideas clear and easy to follow, thereby preventing confusion for the reader. Therefore, coherence does not create confusion; rather, it eliminates it.

A net of 6 equal squares arranged in a cross pattern folds into which shape?

Answer: Cube

A net of 6 equal squares folds into a cube.

Two angles are supplementary. One angle is 65°. What is the other angle?

Answer: 115°

Supplementary angles add up to 180°, so the other angle is 180° − 65° = 115°.

Forest is to trees as ocean is to ___.

Answer: water

A forest is made up of trees; an ocean is made up of water — the relationship is environment to its primary substance.

How many lines of symmetry does a regular hexagon have?

Answer: 6

A regular hexagon has 6 lines of symmetry — one through each pair of opposite vertices and one through each pair of opposite edge midpoints.

A shape is reflected across a vertical line of symmetry. Where does the reflected shape appear?

Answer: To the right of the original

Reflection across a vertical axis creates a mirror image on the opposite horizontal side.

What is the plural of "cactus"?

Answer: Cacti

The correct Latin plural of "cactus" is "cacti."

What is the purpose of a conclusion paragraph?

Answer: To summarize main points and close the discussion

A conclusion paragraph wraps up the writing by summarizing key points and providing a closing thought.

A square has a perimeter of 36 cm. What is its area?

Answer: 81 sq cm

Side = 36 ÷ 4 = 9 cm, Area = 9² = 81 sq cm.