Educationally and pedagogically written and reviewed by Academic and Curriculum Writer Muhammad Asif, MA and Academic Writer Maryna Polishchuk, MA.
What is a Number Chart
A number chart that exclusively goes from 1 to 100 is a graph model to present numbers in some systemic way, usually in rows and columns. It is an illustrative means for learners to understand patterns, sequences, and relationships that exist among numbers. Number charts, therefore, have wide application in early numeracy and elementary mathematics for helping understand basic arithmetic attributes like counting, number recognition, place value, and operations, for example, addition and subtraction (Hopkins & O’Donovan, 2021).
A number chart is a kind of chart with numbers listed in a special number pattern and is usually drawn as a table. This may represent different groups of numbers like natural numbers, even or odd numbers, prime, or composite numbers of multiples of a certain number. The primary role of a number chart is learning facilitation by making the abstract numeric ideas more concrete, clear, or real. For instance, in a number chart from 1 through 100, the student can see that the numbers continue to the next and are in numerical order. Thus, patterns can be found by the student, and calculations can be made.
Types and Variations
• Top-Down Number Chart: This begins in the top left corner with the number 1 and increases by one count to the right in each row, then increases by ten descending in each row, with 100 being in the bottom right corner.
•Bottom-Up Number Chart: This places the smaller numbers at the bottom of the chart, which can help to focus on different numerical patterns and multiple counting strategies.
• Number Charts: Charts with numbers from 0 to 99, 1 to 120, or any other number range was chosen to fulfil a multitude of different educational needs.
Benefits of number charts in teaching and learning
- Number charts provide a clear visual representation of numbers, which helps students understand numerical order, counting, and the relationships between numbers.
- They support the identification of number patterns, even and odd number patterns, multiple patterns, and sequences that can further enhance number sense and mathematical reasoning.
- Number charts make numerical operations, whether addition, subtraction, multiplication, or division, very friendly to use because they give students a visual reference to a solution to such problems. For example, going horizontally or diagonally on the number chart allows one to do these right away (Santagata & Lee, 2021).
- The pattern of the tens and ones best becomes clear visually, especially with number charts.
- Number charts, for example, can be used to actively involve students in concrete, hands-on activities using abstract mathematical concepts.
- They may be provided at different levels of difficulty and used for different sets of numbers (like even numbers, and prime numbers), which helps the teacher address diversified learning needs.
- Number charts are a flexible tool that can be used in a classroom setting of any kind, ranging from whole-class instruction to small group activities and individual practice.
Possible Drawbacks in Teaching and Learning with the Number Chart
- Learners may become over-dependent on the chart regarding the arithmetic computations, developing an attitude that might not be favorable for the acquisition of mental math and number sense.
- Number charts focus primarily on the basic operations of arithmetic and number patterns. Beyond elementary arithmetic, one cannot effectively learn more advanced mathematical concepts through the use of number charts.
- Students can easily get confused with the number charts of various configurations, such as from down-up and up-down, especially when they see more than one version without a good explanation.
- Number charts are effective tools for teachers if well-prepared and understood. Inadequate preparation or misuse may diminish their educational value.
Number Charts: Examples
Number charts could come in many different formats, depending on the educational purpose and what range of numbers is covered. On the other hand, a typical number chart is nothing but a 10×10 grid with numbers placed from 1 to 100 in order. Then the perspective of the numbers is laid down in linear order, from left to right for each row and from the top to the bottom: it starts in the top left corner with 1 and it ends with 100 in the bottom right corner. An example will be a chart of even numbers, where the numbers divisible by 2 are listed in some order: 2, 4, 6, 8, and 10. An example will be odd numbers, which are numbers not divisible by 2, for instance: 1, 3, 5, 7, 9.
Number Chart
1 | 10 | 20 | 30 | 40 |
2 | 15 | 25 | 35 | 45 |
3 | 20 | 30 | 40 | 50 |
4 | 25 | 35 | 45 | 55 |
5 | 30 | 40 | 50 | 60 |
Prime number charts mean charts of numbers which have only two factors – that is, 1 and the number being viewed. For instance, for any prime number chart from 1 to 50, there will be taken numbers like 2, 3, 5, 7, 11, 13. Another common chart is the multiples of 10 charts: 10, 20, 30, continuing on up to 100. A skip counting chart might have numbers by 3s: 3, 6, 9, 12, 15, and so forth.
The Distinctive Perspective of Teach Simple on the Use of Number Charts in Teaching
At Teach Simple, we understand number charts’ possibly transformative role in the educational landscape. We believe these are not tools towards teaching basic arithmetic but tools to develop learners’ general numeracy skills, toward understanding mathematics at a deeper level.
Note that we provide spreads of the forms of number charts to educators. This includes the even, odd, prime, and multiple series for a given number in the 5–10 version. Each form of chart has pedagogical value on its own, and the teacher can make flexible use of them depending on the needs of his or her students. For instance, the even numbers chart, i.e. 2, 4, 6, 8, etc., enable to convey an idea concerning the even numbers in general. The chart of multiples of 5 (5, 10, 15, 20, etc.) can be helpful for finding the fair manner of multiplying.
Moreover, we provide number charts to correspond with other learning stages or requirements, such as from 0 to 99, over 100 reaching 120. These variations ensure that students at different levels will be able to benefit from the structured numerical representation that number charts offer.
References
Hopkins, S., & O’Donovan, R. (2021). Using complex learning tasks to build procedural fluency and financial literacy for young people with intellectual disability. Mathematics Education Research Journal, 33(1), 163-181.
Santagata, R., & Lee, J. (2021). Mathematical knowledge for teaching and the mathematical quality of instruction: A study of novice elementary school teachers. Journal of Mathematics Teacher Education, 24(1), 33-60.