Mental Math
15+6+5
What is 26?
This is a closed two-dimensional shape with four right angles and four sides of equal length.
What is a square?
This is the probability of flipping a coin and it landing on heads.
What is 50% or 1/2?
There are this many inches in a foot.
What is 12 inches?
Solve for x: x + 5 = 10
What is x = 5?
450+56+4
What is 510?
This is a closed two-dimensional shape with four right angles and only two sides of equal length.
What is a rectangle?
This is the probability of rolling a 3 on a six-sided die.
What is 1/6?
There are this many minutes in 3 hours.
What is 180 minutes?
In the pattern 2, 4, 6, 8, the next number would be this.
What is 10?
10 x 15
What is 150?
This word describes the measure of distance around a closed two-dimensional shape.
What is perimeter?
This is the probability of rolling a 2 or a 5 on a six-sided die.
What is 2/6 or 1/3?
This is the formula for finding the area of a rectangle.
What is length x width?
Solve for x: 5x = 20
What is x = 4?
This factor pair has a greater value:
6 x 8 or 7 x 7.
6 x 8 = 48
7 x 7 = 49
7 x 7 is greater!
This word describes the space measured within a closed two-dimensional shaped.
What is area?
A spinner is divided into 4 equal sections: red, blue, green, and yellow. This is the probability of spinning blue or yellow.
What is 50% or 1/2?
There are this many millimeters in one meter.
What is 1,000 millimeters? (1,000 mm)
What is the value of 3x if x = 4?
What is 3x = 12?
This factor pair has less value:
8 x 10 or 9 x 9?
8 x 10 = 80
9 x 9 = 81
8 x 10 has less value!
This word describes the measure of space that fills a three-dimensional shape.
What is volume?
In a standard deck of 52 cards, this is the probability of drawing a red queen.
What is 2/52 or 1/26?
If the length of a box is 5 cm, the width is 4 cm, and the height is 3 cm, this is its volume.
In the pattern 1, 1, 2, 3, 5, 8, 13, the next number would be this.
What is 21?