10............there are also..........ten single digits........0 - 9...............ten together..........2 - 11............is ten numbers..................and connects single digits to double digits.........

10......

1/2(10) = 5
1/2(5) = 2.5
1/2 (2.5) = 1.25..................like 5/4..........like 45 with reflex sym..........5/4 = 1 + 1/4...........
1/2 (1.25) = 0.625

Base-10 system ~ A Maths Dictionary for Kids Quick Reference by ...

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Bb. Base-10 system. • our everyday number system is a Base-10 system. • the Base-10 number system is known as the decimal system and has 10 digits to show all numbers 0,1,2,3,4,5,6,7,8,9 using place value and a decimal point to separate whole numbers from decimal fractions. EXAMPLE: base 10 system.