Marking a 5-mark संधि item: right split, wrong label
You are marking the 5-mark संधि item in a Class X unit test (paper total 25) at a government high school in Cuttack, and the scripts must be returned on Monday. The item reads: 'निम्नलिखित शब्दों का संधि-विच्छेद कीजिए और संधि का नाम लिखिए - सूर्योदय, सदैव, विद्यार्थी, निराशा, महर्षि।' Your key gives ½ mark for the correct split and ½ mark for the correct name of each word. Across 42 scripts you see three patterns. Nineteen students split all five words correctly but label सदैव as दीर्घ and महर्षि as वृद्धि. Seven write 'विद्या + अर्थी = गुण संधि'. Six split निराशा as 'निर + आशा'. A colleague argues that wherever the split is right the student should get the full mark, 'because the rule is what matters, not the label'.
1. Compute the score of a student in the first group under the ½ + ½ key, then rule on your colleague's proposal.
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Five words, 1 mark each. This student has three words fully right (सूर्योदय = सूर्य + उदय, गुण; विद्यार्थी = विद्या + अर्थी, दीर्घ; निराशा = निः + आशा, विसर्ग) = 3 marks. For सदैव the split सदा + एव is right (½) but आ + ए = ऐ is वृद्धि, not दीर्घ (0). For महर्षि the split महा + ऋषि is right (½) but आ + ऋ = अर् is गुण, not वृद्धि (0). Total 4/5.
Reject the colleague's proposal. The item itself demands two responses; a mark attached to the name cannot be earned by a response that was never given. Worse, applying the rule only to some scripts would make the 42 scripts incomparable, and 19 of 42 is a teaching signal, not a marking signal. If the department genuinely believes rule-understanding matters more than labels, the correct fix is to redesign the item (e.g., 'नाम लिखिए' carrying separate weight, or a rule-application item), not to rewrite the key mid-marking.
2. Rule on the seven students who wrote 'विद्या + अर्थी = गुण संधि'. What is the correct name, and what does the error reveal?
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Award ½ only. The split is correct; the name is not. विद्या ends in आ and अर्थी begins with अ, so आ + अ = आ - this is दीर्घ संधि, not गुण. The seven students have correctly reversed the word but then attached a name at random.
That is diagnostic: they are matching names to whole words they have memorised (सूर्योदय and महर्षि are 'the गुण ones') rather than applying the vowel rule. The remedial step is a vowel grid on the board - अ/आ + अ/आ = आ (दीर्घ); अ/आ + इ/ई = ए, अ/आ + उ/ऊ = ओ, अ/आ + ऋ = अर् (गुण); अ/आ + ए/ऐ = ऐ, अ/आ + ओ/औ = औ (वृद्धि) - and then five fresh words tested only on the name. Do not re-teach सदैव and महर्षि as isolated items; the error will simply move to the next word.
3. A student in the third group wrote 'निर + आशा = विसर्ग संधि'. What do you award, and what is the teaching point?
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Award ½: the name is right, the split is wrong. The source is निः + आशा, where the विसर्ग changes to र्; 'निर' is not a valid first member here, it is the student's guess at a prefix. If a student in this group wrote a name other than विसर्ग, award 0.
The teaching point is the difference between a विसर्ग-ending word and a निर्- prefix, which is best shown with minimal pairs: निः + आशा = निराशा, निः + धन = निर्धन, निः + चल = निश्चल (विसर्ग → श्), against निर् + आकार = निराकार-type confusions. Also tell the class the general rule for विसर्ग संधि: विसर्ग becomes र् before voiced sounds (आशा, धन), becomes ओ before अ, and becomes श्/स् before च/त. Six students out of forty-two is a whole-class reteach, not an individual correction.