Vocab for Week of September 25

To verify the answer you have found is a good approximation or estimate to the question.  When you do use estimation, it won’t tell you whether you have THE correct answer, but it will tell you if you are close and your answer is probably right.  

• logic
• algebraic thinking
• reasonableness
• strategy

A reasonable way of thinking about or understanding something.

• logic
• algebraic thinking
• reasonableness
• strategy

a careful plan or method or the skill of making or carrying out plans to achieve a goal

• logic
• algebraic thinking
• reasonableness
• strategy

Using logic and reasoning to recognize and analyze patterns, understanding relationships in numbers, and analyzing how things change.

• logic
• algebraic thinking
• reasonableness
• strategy

The value of a digit depending on its place in a number such as tens, hundreds, thousands, tenths, etc.

• base-ten number system
• base-ten blocks
• place value 
• patterns

The system that most of the world uses today. It consists of ten digits (0, 1, 2, 3, 4, 5, 6, 7, 8, 9), and groups numbers into ten. Zero serves as the placeholder. It holds a position when there is nothing to be placed in a particular position. 

• base-ten number system
• base-ten blocks
• place value 
• patterns

A mathematical manipulative used by students to learn basic mathematical concepts including addition, subtraction, number sense, place value and counting. 

• base-ten number system
• base-ten blocks
• place value 
• patterns

A group of numbers, shapes, or objects that follow a rule while repeating or changing. 

• base-ten number system
• base-ten blocks
• place value 
• patterns