IXL - Ontario grade 4 math curriculum Fractions and Decimals 4.B1.4 represent fractions from halves to tenths using drawings, tools, and standard fractional notation, and explain the meanings of the denominator and the numerator Identify halves, thirds and fourths (4-T.1) Make halves, thirds and fourths (4-T.2) Make sixths and eighths (4-T.3)