1. Poll
60 seconds
What is the name of a number that has a decimal point?
- Decimal
- Perio
- Place Value
- Fraction
2. Slide
60 seconds
Reading Decimals
Decimals are numbers that have a decimal point, like 3.14. The digits to the left of the decimal point are called whole numbers. The digits to the right of the decimal point are called decimal numbers.
3. Slide
60 seconds
how to read decimals
Decimals: a number with one or more digits to the right of the decimal point, such as 4.2.
Place Value: the value of a digit based on its position in a number, such as the 10s place in the number 542.
Rounding: to estimate a number by increasing or decreasing it to the nearest whole number or decimal.
4. Word cloud
120 seconds
What is the name of a number that has a decimal point?
5. Slide
60 seconds
Did you know?
The word 'decimal' comes from the Latin word for 'tenth' because the number 10 is the basis for understanding decimal notation. The symbol used to represent a decimal point is called the 'radix point' or 'decimal point'. The 'dot' or 'decimal point' used to separate the whole number and decimal parts of a number is sometimes called a 'decimal marker'.
6. Open question
120 seconds
What is the place value of the number 8 in the decimal 0.48?
7. Slide
60 seconds
Did you know?
A decimal point is also known as a 'radix point' or 'decimal marker'. The decimal system was developed in India over 2000 years ago. The number 'pi' is a repeating decimal that goes on infinitely.
8. Drawings
360 seconds
Brain break: Draw a bunny eating a cheeseburger.
9. Open question
120 seconds
What is the place value of the digit 4 in the decimal 0.834?
10. Poll
60 seconds
What is the decimal representation of 4 and twenty-four hundreds?
- 4.024
- 4.24
- 42.40
- .042
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