This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. In this stimulus, the word family includes walk, walks, walked, and walking, where 'walk' is the root word, and the inflections are 'walks' (with -s), 'walked' (with -ed), and 'walking' (with -ing). The correct answer, 'walk' (C), works because it is the base form, and the others are inflections of 'walk' with endings added for different tenses or uses. Distractors such as 'walks,' 'walking,' and 'walked' fail because they include inflectional endings and are not the root; for example, 'walked' is the past tense form but built on 'walk.' Help students by teaching to cover endings, like '-ing' in 'walking' to see 'walk.' Use word sorts and family charts, watching for mistakes like choosing inflected forms as roots or grouping by endings instead of shared roots.

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. In this stimulus, the task is to identify an inflectional form (or 'ending form') of the root 'clean' from the choices, where 'cleaning' is the form with the -ing ending. The correct answer, 'cleaning' (B), works because it is an inflection of 'clean,' adding -ing while keeping the same root and meaning. Distractors like 'clan,' 'clear,' and 'clown' fail as they are unrelated words with different roots and meanings, not inflections of 'clean.' To teach, practice adding endings to roots like 'clean' to form 'cleans,' 'cleaned,' 'cleaning.' Use word sorts to distinguish families, watching for confusions between similar-sounding but different roots.

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. The root word stays the same; we just add endings to show different times (looked = past) or different uses (looks = he/she looks, looking = right now), and word families share the same root. In this stimulus, the root word is 'help' and the inflections are 'helps' (with -s), 'helped' (with -ed), and 'helping' (with -ing). 'Help' is the root word because it's the base form before any endings, and the other words (helps, helped, helping) are all forms of 'help' with endings added. A common distractor like 'helped' fails because it is an inflection (it has the -ed ending), not the root word—the root is 'help' without any endings. To help students, teach them to identify roots by covering the ending: for 'helps,' cover '-s' to see 'help' as the root; practice common endings like -s, -ed, -ing, and use word sorts to group families by root, watching for mixing different word families or choosing inflections as roots.

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. In this stimulus, the word family includes cat and cats, where 'cat' is the root word, and 'cats' is the inflection with -s for plural. The correct answer, 'cat' (B), works because it is the base form without endings, and 'cats' is formed by adding -s to it. Distractors like 'cats,' 'cut,' and 'cap' fail; 'cats' is the inflected form, while 'cut' and 'cap' are different roots. Teach by covering endings, like '-s' in 'cats' to reveal 'cat.' Use simple family charts and sorts, watching for sound-alike confusions like 'cat' vs. 'cut.'

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. In this stimulus, the word family includes look, looks, looked, and looking, where 'look' is the root word, and the inflections are 'looks' (with -s), 'looked' (with -ed), and 'looking' (with -ing). The correct answer, 'look' (C), works because it is the base form without any endings, and the other words are all inflections of 'look' with added endings like -s for present tense or -ed for past tense. Distractors like 'looked,' 'looking,' and 'looks' fail because they are not the root but rather inflected forms; for example, 'looked' includes the -ed ending and is part of the family but not the base word itself. To teach this, use word sorts to group words by their root family, such as putting all 'look' words together and separating them from unrelated families. Additionally, make word family charts starting with the root 'look' and adding endings, while being mindful of students who might confuse similar-sounding words like 'took' with the 'look' family or group by endings alone like putting all -ed words together regardless of root.

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. In this stimulus, the word family includes cat and cats, where 'cat' is the root word, and 'cats' is the inflection with -s for plural. The correct answer, 'cat' (B), works because it is the base form without endings, and 'cats' is formed by adding -s to it. Distractors like 'cats,' 'cut,' and 'cap' fail; 'cats' is the inflected form, while 'cut' and 'cap' are different roots. Teach by covering endings, like '-s' in 'cats' to reveal 'cat.' Use simple family charts and sorts, watching for sound-alike confusions like 'cat' vs. 'cut.'

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. The root word stays the same; we just add endings to show different times (looked = past) or different uses (looks = he/she looks, looking = right now), and word families share the same root. In this stimulus, the root word is 'cat' and the inflection is 'cats' (with -s). 'Cat' is the root word because it's the base form before any endings, and 'cats' is a form of 'cat' with the -s ending added to show more than one. A common distractor like 'cap' fails because it sounds similar but is a different word with a different meaning—not part of the 'cat' family. To help students, teach them to identify roots by covering the ending: for 'cats,' cover '-s' to see 'cat' as the root; practice common endings like -s for plurals, and use word sorts to group families by root, watching for confusion with similar-sounding different roots like 'cat' and 'cap' or 'cuts'.

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. The root word stays the same; we just add endings to show different times (looked = past) or different uses (looks = he/she looks, looking = right now), and word families share the same root. In this stimulus, the root word is 'jump' and the inflections are 'jumps' (with -s), 'jumped' (with -ed), and 'jumping' (with -ing). 'Jump' is the root word because it's the base form before any endings, and the other words (jumps, jumped, jumping) are all forms of 'jump' with endings added. A common distractor like 'jumped' fails because it is an inflection (it has the -ed ending), not the root word—the root is 'jump' without any endings. To help students, teach them to identify roots by covering the ending: for 'jumps,' cover '-s' to see 'jump' as the root; practice common endings like -s, -ed, -ing, and use word sorts to group families by root, watching for confusion between inflections and roots or similar-sounding words like 'jump' and 'bump'.

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. In this stimulus, the word family includes talks, talked, and talking, where 'talk' is the root word, and the inflections are 'talks' (with -s), 'talked' (with -ed), and 'talking' (with -ing). The correct answer, 'talk' (A), works because it is the base form without endings, and the listed words are all inflections derived from 'talk.' Distractors like 'talked,' 'talking,' and 'tall' fail; 'talked' and 'talking' are inflected forms, not the root, while 'tall' is a different word with a separate root and meaning. Teach by covering endings, such as '-ed' in 'talked' to reveal 'talk.' Practice with word families and sorts, addressing errors like confusing similar-sounding words (e.g., 'talk' vs. 'tall') or selecting inflections as roots.

This question aligns with CCSS.L.1.4.c, which focuses on identifying frequently occurring root words and their inflectional forms. A root word (or base word) is the main word before any endings are added, and inflectional forms are versions of the same word with endings like -s, -ed, or -ing added; for example, 'look' is the root word, and 'looks,' 'looked,' and 'looking' are its inflectional forms—they're all forms of the same word 'look' with different endings. In this stimulus, the task is to identify which group consists of forms of the root 'cook,' and option A lists 'cook' (root), 'cooked' (with -ed), and 'cooking' (with -ing), all sharing the same root. The correct answer, A, works because these are the root and its inflections, with endings added to 'cook' for different tenses. Distractors fail by mixing unrelated words, like B with 'cookie' and 'cooker' (derivational), C with different roots like 'book' and 'look,' or D with words from other families. Teach word sorts to group by roots, and practice adding endings to 'cook.' Watch for errors like grouping by sounds or including non-inflectional forms.