Recall in Grade 3 you studied that lengths are measured in metres. Check and fill in the blanks whether the following are correct/incorrect for your classroom.
The height of most of the students in my grade is more than a metre.
Correct (Most Grade 4 students are taller than 1 metre, typically between 1.2-1.4 metres)
The length of my arm is less than a metre.
Correct (A child's arm length from shoulder to fingertips is typically 50-70 cm)
The height of the door of the grade is less than a metre.
Incorrect (Standard doors are about 2 metres tall, which is more than 1 metre)
The breadth of the blackboard is more than a metre.
Correct (Classroom blackboards are typically 1.2-2 metres wide)
Explanation
(a) Students in Grade 4 are usually 9-10 years old and their average height is around 1.2-1.4 metres. (b) The arm span of a child is usually less than their height, making each arm less than half a metre. (c) A standard classroom door is approximately 2 metres tall, which is definitely more than 1 metre. (d) Standard classroom blackboards have a breadth/width of more than 1 metre.