Mixed Operations
(15 + 20) x 3
105
What is the area of the a rectangle with length in 7 m and width in 11 m?
77 m2
How many faces do cube and cuboid have respectively?
6.
How do you spell "14" and "40"?
fourteen and forty.
As we are rounding off the number, what should we do for the target digit, as the digit after target digit is 5 or greater?
A: +1 B: Keep
A: +1
240 ÷ (20 - 5)
16
What is area of trapezium which has a upper base with 3 cm, a lower base with 5 cm and a height with 6 cm?
24 cm2
What is the shape of the faces in a cube?
square.
How do you read "24,370,016"?
twenty-four million, three hundred and seventy thousand and sixteen.
What is the number representing at hundred thousand place in "73,548,912"
5
400 + 612 ÷ 12
451
A biggest triangle is cut from a rectangle with a length in 30 cm and a width in 20 cm. What is the area of the triangle?
300 cm2
How many pairs of equal faces in a cuboid?
3
How do you write "two hundred million, nine hundred and eleven thousand and seven"
200,911,007
Round off the number "123,456" to the nearest hundred thousand place.
100,000
(280 + 80 ÷ 4) x 12
3600
Which of the following has the enough information of finding its area? (See as blackboard)
What is the total surface area of a cube with side(edge) in 8 cm?
384 cm2
Use 2, 7, 1, 6, 0, 9 to form a smallest 6-digits number.
102,679.
Round off the number "7,999,760" to the nearest thousand place.
8,000,000
10 x 18 + 18 x 15
450
What is the upper base of a trapezium which has an area of 20 cm2, a height in 5 cm and lower base in 2 cm?
6 cm
What is the total surface area of the cuboid with a length in 3 cm, a width in 4 cm and a height in 5 cm?
94 cm2
Use 2, 7, 1, 6, 0, 4, 3 to form a largest 7-digits odd number.
7,643,201
What is the approximate value of 20,785 as it is rounded off to nearest hundred thousand?
0