Shapes
A rectangle has a length of 9 cm and a width of 13 cm. What is its area?
117 cm²
What is 25% as a fraction in simplest form?
1/4
Which number is greater:
A) 4.56
B) 4.65
B) 4.65
Which number is smaller: –5 or –2?
–5
A box measures 8 cm × 5 cm × 6 cm.
What is its volume?
240 cm³
A square has a perimeter of 124 cm. What is the length of one side?
31cm
What is 0.6 as a fraction in simplest form?
3/5
7.3 + 2.45 = ?
9.75
The temperature was 4°C in the morning and dropped by 9°C at night.
What was the temperature at night?
–5°C
A water bottle holds 1.5 L of water.
How many millilitres is that?
1500 mL
In a quadrilateral, one angle is 90°, and the other three angles are 85°, 95°, and 90°.
Is this shape a rectangle? Explain briefly.
No, the angles aren’t all right angles (not all 90°).
A recipe needs 3/4 cup of sugar. You already added 1/2 cup.
How much more sugar do you need?
1/4 cup more
11.5 − 2.78 = ?
8.72
The temperature was –3°C at sunrise. It increased by 7°C, then dropped by 9°C in the evening.
What was the final temperature?
–5°C
(–3 + 7 – 9 = –5)
A small tank can hold 1 L of water. It is ¼ full.
How many millilitres of water are inside?
250 mL
You have a shape with 6 equal sides and 6 equal angles.
What shape is this, and what is the sum of its interior angles?
Regular hexagon, 720°
You scored 18 out of 24 on a quiz.
What percentage did you get?
75%
(18 ÷ 24 = 0.75 = 75%)
What is 8.54 divided by 10,000?
0.000854
The temperature in Alaska was –8°C in the morning and 3°C in the afternoon.
How many degrees did the temperature change?
11°C
(3 – (–8) = 11)
A tank holds 2.5 L of water. You pour out 750 mL.
How much water is left in litres?
1.75 L
A rectangle is 12 cm long and 6 cm wide.
If you make a new rectangle that is 2 cm longer and 2 cm wider,
what is the difference in area between the two rectangles?
Answer: 40 cm²
Old rectangle area = 12 × 6 = 72 cm²
New rectangle area = 14 × 8 = 112 cm²
Difference = 112 – 72 = 40 cm²
There are 40 students in a class. 35% of them wear glasses.
How many students wear glasses?
14 students
(0.35 × 40 = 14)
A rope is 2.35 meters long. You cut off 0.8 centimeters. How much rope is left in meters?
2.342 meters of rope left.
On Monday, a city recorded a temperature of 5°C.
On Tuesday, it was 12°C colder, and on Wednesday, it rose by 7°C.
What was the temperature on Wednesday?
0°C
(5 – 12 = –7; –7 + 7 = 0)
A holds 750 mL, and Container B holds 1.2 L.
How much more does Container B hold than Container A (in milliliters)?
450 mL