id_ int64 0 2.59k | text large_stringlengths 14 209 |
|---|---|
2,500 | Believes the gradient of a line is given by an intercept |
2,501 | Subtracts rather than multiplies when calculating total frequency |
2,502 | Believes a reciprocal equation will have a quadratic graph |
2,503 | Believes that a greater percentage represents a greater quantity |
2,504 | Does not realise that two letters together, or a number and letter together, are multiplying |
2,505 | Confuses cl and ml |
2,506 | Believes cumulative frequency is the sum of each class with the previous class, rather than all previous classes |
2,507 | Mistakes unit of speed for unit of time |
2,508 | Thinks x = ? is the y axis |
2,509 | Mixes up the sets in a Venn diagram |
2,510 | Only reads the percentage symbol as applying to the units digit |
2,511 | Does not know the properties of a linear graph |
2,512 | Believes when dividing numbers with the same base you divide the powers, rather than subtracting |
2,513 | When finding the nth term rule for a quadratic sequence, believes that the coefficient of n squared is determined by first differences |
2,514 | Does not cube the conversion factor when converting cubed units |
2,515 | Rounds too early in calculation |
2,516 | Thinks 3-letter angle notation has to use the nearest vertex on each side of the angle |
2,517 | Does not rearrange the Pythagoras' Theorem formula accurately |
2,518 | May have made a calculation error using the order of operations |
2,519 | Confuses a term with a variable |
2,520 | Believes the fraction line represents addition |
2,521 | Does not know how to measure reflex angles |
2,522 | Believes the total of the circle in a Venn should be included when intersections should be omitted |
2,523 | Has added on the power of 1/4 rather than raise to the power of 1/4 |
2,524 | Has added the powers rather than multiplying them |
2,525 | When dividing decimals, divides rather than multiplies when reinserting the decimal. |
2,526 | Believes a downward line has a positive gradient |
2,527 | Writes a repeated root once, rather than in a squared bracket |
2,528 | Thinks that the perimeter on a square grid is the number of squares surrounding the rectangle |
2,529 | Does not think a ton is a unit of mass |
2,530 | Subtracts instead of adds when using inverse operations to solve an equation |
2,531 | Does not understand that the volume of an enlarged shape is the volume of the original multiplied by the cube of the scale factor of the lengths. |
2,532 | Believes order of operations does not affect the answer to a calculation |
2,533 | Does not realise that two letters together are multiplying |
2,534 | When converting between non standard form and standard form assumes changes to the base will not affect the power |
2,535 | Does not add on 180 degrees when using a protractor to measure a reflex angle |
2,536 | Misunderstands the capture-recapture method |
2,537 | Does not know the definition of a rational number |
2,538 | Confuses the value of the variable with cumulative frequency |
2,539 | Believes the inverse of square rooting is halving |
2,540 | Confuses maximum and minimum |
2,541 | When finding the square root of a decimal, believes the answer should have the same number of decimal places |
2,542 | Believes that dividing by a decimal is the same as dividing by its reciprocal |
2,543 | Believes the frequency represented by a pie chart sector can be judged visually, without considering the total it represents |
2,544 | Confuses reciprocal and exponential graphs |
2,545 | Does not know that prime numbers have exactly two factors |
2,546 | Confuses the hundreds and tens place value columns |
2,547 | Multiplies instead of divides when division is written as a fraction |
2,548 | Does not increase the denominator when an item is added in a probability question |
2,549 | Believes only the first term needs to be divided when factorising an expression |
2,550 | Thinks there are 10m in a km |
2,551 | Believes range does not need units |
2,552 | When adding decimals, thinks the answer has to have the same number of decimals as the total in the question |
2,553 | Gives the second significant figure when asked for the first |
2,554 | Thinks the diagonal of a square is the same length as the side of the square |
2,555 | Does not understand how to find a scale factor |
2,556 | Thinks the subtraction sign means multiply |
2,557 | Mixes up cubing and squaring |
2,558 | When writing fraction from diagram, writes total as denominator |
2,559 | When dividing numbers with different bases subtracts the powers but divides the base numbers. |
2,560 | Confuses the formulas for the perimeter of a sector and the area of a sector |
2,561 | Believes a sample space should show repeated outcomes, not just unique possible outcomes. |
2,562 | Confuses the lower and upper bound |
2,563 | Believes to complete a part whole model you select a value already given in the model |
2,564 | Gives the intersect value of a Venn diagram when asked to find the value of a set only |
2,565 | Confuses the hundreds and thousands place value columns |
2,566 | When subtracting a negative number, subtracts the absolute value rather than adding it |
2,567 | Believes they only need to multiply the first pair of terms when expanding a double bracket. |
2,568 | Believes all the multiples of a number will also be multiples of its multiples |
2,569 | Confuses pentagon and hexagon |
2,570 | Confuses interior angles with exterior angles |
2,571 | When dividing numbers with different bases, divides the powers and divides the base numbers. |
2,572 | Rotates by the wrong center of rotation (not including the origin) |
2,573 | Believes the solution to mx + c = a is the y intercept of y = mx +c |
2,574 | Believes that when multiplying by a power of 10 you add zeroes after the decimal point |
2,575 | Thinks adding same amount to each side of a ratio gives an equivalent ratio |
2,576 | Mixes up square numbers and cube numbers |
2,577 | Does not think a square root can be negative |
2,578 | Mixes up sides of a ratio, when working with vectors for line segments. |
2,579 | Forgets to add the numerator when converting from a mixed number to an improper fraction |
2,580 | Believes degrees can be used to measure length |
2,581 | When factorising a quadratic with a coefficient of x squared, believes the signs and/or positions of the constants are interchangeable |
2,582 | When multiplying numbers with the same base, multiplies the powers |
2,583 | Does not know what a cube number is |
2,584 | Believes that any percentage of a larger number will be greater than any percentage of a smaller number |
2,585 | Believes a cubic expression should have three terms |
2,586 | Misunderstands order of operations in algebraic expressions |
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