When we read there are certain words, key or high frequency words, that are more common than others. They will occur in almost everything we read or write. Learning these words is an essential component to helping children learn to read.
The first set of words which children in Reception (ages 4-5) need to learn are contained in a downloadable list HFW_FS_4-5.
Children in Years 1 and 2 (ages 5-7) need to know the words contained in the list which is downloadable HFW_KS1_Yrs1&2_5-7.
