Here are some free printable grade 1 math worksheets for the number 20. The number 20 is the last number in this 0-20 math series. A sports theme adds a little fun to these number 20 worksheets. Kids will work on: tracing and writing the digits of the number 20writing "twenty" in wordsplace value with the number 20before & aftereven & oddaddition with number bonds to 20subtraction using number linesdecomposing 20 into smaller groups Number 20 Worksheets This first ...