enow.com Web Search

Search results

1. Results from the WOW.Com Content Network

2. Base ten blocks - Wikipedia

   en.wikipedia.org/wiki/Base_ten_blocks

   Base ten blocks are popular in primary-school mathematics instruction, especially with topics that students struggle with such as multiplication. They are used by teachers to model concepts, as well as by students to reinforce their own understanding. Physically manipulating objects is an important technique used in learning basic mathematic ...

3. Order of operations - Wikipedia

   en.wikipedia.org/wiki/Order_of_operations

   In mathematics and computer programming, the order of operations is a collection of rules that reflect conventions about which operations to perform first in order to evaluate a given mathematical expression. These rules are formalized with a ranking of the operations. The rank of an operation is called its precedence, and an operation with a ...

4. Elementary arithmetic - Wikipedia

   en.wikipedia.org/wiki/Elementary_arithmetic

   Elementary arithmetic is a branch of mathematics involving addition, subtraction, multiplication, and division. Due to its low level of abstraction, broad range of application, and position as the foundation of all mathematics, elementary arithmetic is generally the first branch of mathematics taught in schools. [1][2]

5. Counting rods - Wikipedia

   en.wikipedia.org/wiki/Counting_rods

   The value of a number depends on its physical position on the counting board. A 9 at the rightmost position on the board stands for 9. Moving the batch of rods representing 9 to the left one position (i.e., to the tens place) gives 9[] or 90. Shifting left again to the third position (to the hundreds place) gives 9[][] or 900.

6. Parents are stumped over first grader’s math question - can ...

   www.aol.com/news/parents-left-confused-over...

   The problem required the student to split the number 27 into tens and ones and then just into ones. Her daughter, Summer, wrote that there were two tens and seven ones, so she had assumed when she ...

7. Positional notation - Wikipedia

   en.wikipedia.org/wiki/Positional_notation

   Positional notation (or place-value notation, or positional numeral system) usually denotes the extension to any base of the Hindu–Arabic numeral system (or decimal system). More generally, a positional system is a numeral system in which the contribution of a digit to the value of a number is the value of the digit multiplied by a factor ...