Test: Numbers from 21 to 99 (Part 1) - Class 1 MCQ

The number 37 contains 7 ones. In the place value system, the last digit represents the number of single units in that number.

The number 45 contains 4 tens. In the place value system, the first digit (4) represents the tens place, indicating there are four sets of ten.

The number that comes immediately after 30 is 31. This is the next integer in the sequence, illustrating the continuous nature of counting.

The first number after 20 is 21. Counting begins at 21, which is the next whole number in the sequence, allowing us to count larger groups of items.

Having 5 beads in the tens place and 2 beads in the ones place represents the number 52. It illustrates how to visualize numbers using an abacus.

Ms. Jones enjoys playing the piano in her twenties, indicating a personal passion that she cultivated during that time. This hobby can enhance creativity and cognitive skills.

We count from 21 to 30 forward, which demonstrates the progression of numbers and helps in developing counting skills.

The numbers from 21 to 30 include all integers from 21 through 30. This range allows for counting various groups of objects, such as toys or food items.

The second number in the sequence from 21 to 30 is 22. Understanding the sequence helps in recognizing patterns in number counting.

The rightmost rod on an abacus represents the ones place. This configuration is crucial for understanding basic arithmetic and number formation.

There are 10 integers in the sequence from 21 to 30, inclusive. This range includes every number starting from 21 up to and including 30.

The end of the counting sequence from 31 to 40 is the number 40. Recognizing endpoints in counting is essential for understanding numerical ranges.

The numbers from 41 to 50 assist in counting larger groups of items, expanding our ability to quantify and organize objects in various settings.

Moving beads on an abacus is significant because it visually represents different numbers. This manipulation aids in learning and performing calculations easily.

The configuration of 3 beads in the tens place and 5 beads in the ones place represents the number 35. This illustrates how place value works in the context of counting.

The highest number in the range from 41 to 50 is 50. This number signifies the endpoint of this counting series, which is often used for various counting exercises.

The number 23 is represented on an abacus by moving 2 beads in the tens place and 3 beads in the ones place. This configuration helps visualize the number's composition.

Each rod on an abacus corresponds to a different place value, such as ones, tens, hundreds, etc. This structure helps users visualize and calculate numbers effectively.

The primary use of an abacus is for counting and performing calculations. It enhances numerical understanding and offers a visual method for arithmetic operations.

The range of the forties includes all integers from 40 to 49. The first number in this range is 40, which marks the beginning of the forties and is used for counting larger groups of items.