The negative-divisor flip appeared on two fresh inequalities with no number test and no reminder, the filled and empty rings were right first time, and both root rearrangements were done unaided; the exit ticket was cut at Q1 of 3 by her 'log it' at 10:18. Ran 09:15-10:19 on the Thursday deep block (warm-up #36 already done); non-calc; typed, two drawings by photo; one item per message; breaks 09:38-09:42 and 10:04-10:06. Tuesday's unfinished -2n >= -8, n > 0 finished guided: -10 not at least -8 with her own reason, -4 fits, divide line n <= 4 with the flip after 'look at your checker', list 1,2,3,4 right. Cold unaided: -2x <= 10 gave n >= -5 (letter swapped, bare answer, no lines typed), number line filled ring at -5 and arrow right with no reminder. M = 4t^3: M/4 = t^3, t = cube root(M/4), 2/2 lines. A = 9r^2: A/9 = r^2 then square root(A)/3, simplified unprompted, 'r =' missing. Mixed set (3 of 4 run): 20 - 2 x 3^2 + 4 = 6 with 3^2 = 9 and all lines, 7 min; changing ratio 3:4 with 12 red to 3:7 (blue changes) 12 added with four lines before the answer, 13 min; density 360 g / 40 cm^3 = 9 right but units omitted when asked, 'g' on prompt, g/cm^3 told. Exit ticket Q1 -5x < 15: x > -3 with 15/-5 = -3 typed when asked, empty ring, arrow right after a crossed-out wrong arrow she corrected herself. 8 items set, 8 attempted, 0 blank: 6 right first time, 1 part right (density units), 1 guided (Tuesday's finish). Not run: mixed Q4 (inequality with listing), exit ticket Q2 and Q3. Session 120's owed work (the -2n question, the root pair, the mixed set) completed.
FIRST finish the exit ticket, cold, every line written, one per message: -3n <= 12 with n < 0 (list the whole numbers), then 7 - 2x >= 1 solved and drawn on paper. Both right with the question's letter kept and the flip written as its own line -> inequalities to secure. Then one compound-measure item worded 'give the units' (g/cm^3 was not known today) and one rearrangement where the final line must carry the subject. Then, at the next teach block, open line symmetry: Corbettmaths line symmetry video (316), two shapes counted with her, say-back, two unaided counts. Do not re-set homework #11 items (-4x >= 12, -4n > -14, -3x < 6, y = 2x^3, y = 5x^2).
Exit ticket on inequalities stopped after Q1 of 3 at her 'log it' (10:18): -3n <= 12 with n < 0 (list the whole numbers) and 7 - 2x >= 1 (solve and draw) not set. Mixed-set Q4 (inequality with listing) not run.
| Topic | Name | Change | Evidence recorded |
|---|---|---|---|
| A22 | Developing → Developing | 22 Oct, non-calc. Guided finish of -2n >= -8, n > 0: number tests -10 (out, own reason) and -4 (fits), n <= 4 with the flip after 'look at your checker', list 1,2,3,4. Cold unaided: -2x <= 10 -> n >= -5 (letter swapped, bare answer), filled ring at -5 and arrow right, no reminder; exit ticket -5x < 15 -> x > -3 with the divide line typed when asked, empty ring, arrow right. Negative divisor 2/2 unaided today after 0/2 on 20 Oct; exit ticket 1 of 3 run. | |
| A5 | Secure → Secure | 22 Oct, cold, non-calc, back to back: M = 4t^3 -> M/4 = t^3, t = cube root(M/4), root over the whole fraction, 2/2 lines; A = 9r^2 -> A/9 = r^2, then square root(A)/3 simplified unprompted, 'r =' missing from the final line. 2/2 unaided, no bridge needed (19 Oct needed 3x3x3). | |
| N1-N3 | Developing → Developing | 22 Oct, untimed, non-calc, mixed set: 20 - 2 x 3^2 + 4 -> 3x3 = 9, -2x9 = -18, -18 + 4 = -14, 20 - 14 = 6. Right, power first, every line typed, 7 min, 1/1 unaided. Loose end (same shape inside a timed section) still open. | |
| N6-N7 | Developing → Developing | 22 Oct, cold, non-calc, inside an order-of-operations item: 3^2 written as 3x3 = 9, not 6 (the 14 Oct timed error). 1/1 unaided, untimed. | |
| R7-R8 | Secure → Secure | 22 Oct, non-calc, mixed set, unaided: red:blue 3:4 with 12 red, blue added to make 3:7 -> 12/3 = 4, 4x4 = 16, 4x7 = 28, 28-16 = 12 added. Right, four lines before the answer, no prompt for the one-part line, 13 min. First item where blue's parts change; the loose end is closed. | |
| N13 | Secure → Secure | 22 Oct, non-calc, 9 weeks since last touched: density of 360 g in 40 cm^3 -> 360/40 = 9, right, but 'give the units' not answered; 'g' when prompted; g/cm^3 told. 1/2 marks, value unaided, unit not known. |