By Sarah J. Barnes on August 10 2018 13:07:44
Children usually start to learn about decimals in Year 4. The first thing children need to know is that a decimal is A PART of a whole. A good way to explain this is to show them an empty hundred number square / chart.
Children will be learning at school how to round up decimals to the nearest whole number. A fun way to practise this at home is to use regular dominos and establish that each piece is a decimal number (so a domino one with 3 dots and 4 dots is 3.4). Encourage them to play with the dominos, but with the rule that they can only, for example, join 2 dominos that are within 1.5 of each other. This will really get them thinking about what each decimal point represents. A number line can also be useful when rounding decimals.
When teaching decimal numbers, first review the basics of thousands, hundreds, tens and ones and then introduce (or review) tenths, hundredths and thousandths.
The goal of kindergarten math curriculum is to prepare children for first grade math:
~ To count by rote at least to 20, but preferably a little beyond.
~ The concepts of equality, more, and less.
~ To count backwards from 10 to 0.
~ To recognize numbers.
~ To be able to write numbers.
~ To recognize basic shapes.
~ To understand up, down, under, near, on the side, etc. (basic directions).
~ To understand the concepts of addition and subtraction with small numbers.
~ Expose the student to two-digit numbers.
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