Key Mhs Facts Year Four how to fd pairs of numbers which make 100 because the tens add to 90 and the ones add to 10: Eg 65 + 35 60 + 30 = 90 5 + 5 = 10 90 + 10 = 100 th multiplyg (x) means lots of. th dividg ( means to share equally. th multiplyg two numbers can be done any order and th addition of two numbers can be done any order. th equals (=) means the same as. by heart the multiplicion facts for the 6 by heart the multiplicion facts for the 12 by heart the division facts for the 6 times by heart the division facts for the 12 times by heart the multiplicion facts for the 7 by heart the division facts for the 7 times
by heart the multiplicion facts for the 9 by heart the division facts for the 9 times by heart the multiplicion facts for the 11 by heart the division facts for the 11 times th a fraction is part of a whole. a decimal is part of a whole. th equivalent means the same as or equal to. th when an object or quantity is split to 10 equal parts each part if called one tenth (1/10). th when an object or quantity is split to 100 equal parts each part if called one hundredth (1/100). th ½ = 0.5 th ¼ = 0.25 th ¾ = 0.75 th = 0.1
th half of 10 = 5, half of 30 =15, half of 50 = 25, half of 70 =35 and half of 90 = 45. th even numbers end with 0, 2, 4, 6 and 8. th odd numbers end with 1, 3, 5, 7 and 9. th negive numbers are less than zero. th < means smaller than. th > means greer than. th a multiple of a number can be divided by th number without a remader. th a factor can be divided to another number without a remader. th a multiple of 10 ends zero. th multiples of 2 are all even. th multiples of 5 end 0 or 5. th there are 100 pence (p) one pound ( ). th is the symbol for pounds. th p is the symbol for pence.
th there are 7 days one week. the order of the days of the week. the order of the months of the year. th there are 28 days February and 29 days when it is a leap year. th there are 30 days September, April, June and November. th January, March, May, July, August, October and December have 31 days. th there are 365 days a year but 366 days when it is a leap year. th 1.00pm is the same as 13.00 on a digital clock. th there are 60 seconds one mute. th am is morng (after 12.00am and before 12.00pm). th pm is afternoon and eveng (after 12.00pm and before 12.00am). th noon is 12 o clock lunchtime. th midnight is 12 o clock night. th there are 60 mutes one hour. th there are 24 hours one day.
th 1000m = 1 Kilometre (Km). th 1000grams (g) = 1 Kilogram (Kg). th 1000 millilitres (ml) = 1 Litre (L) th 10 millimetres (mm) = 1cm th there are 100 centimetres (cm) one metre (m). th the perimeter is the distance around the outside of the shape. th the area is the space side a shape and is measured mm 2 /cm 2 /m 2 /Km 2. th temperure is measured degrees ( 0 ) th a quadrileral is a shape with 4 sides. can name and describe a parallelogram. can name and describe a trapezium. can name and describe a rhombus. th an obtuse angle measures more than 90 0 but less than 180 0. th an acute angle measures less than 90 o. th angles are measured degrees ( o ). th a reflect angle measures more than 180 0 but less than 360 o. th a full turn measures 360 o. th a right angle measures 90 0. th to transle a shape means to move it.
th 2D shapes are not solid. They have sides/edges and vertices. th 3D shapes are solid. They have vertices, edges and faces. th the corners of shapes are called vertices. th a le of symmetry divides a shape to two identical parts. th a quarter turn is a right angle. an angle is the description of a turn. th two right angles make a half turn. th three right angles make a threequarter turn. th four right angles make a whole turn. the difference between horizontal and vertical les. different words for add, eg: Total, sum, crease, plus, altogether, more than. different words for subtract, eg: Decrease, mus, fd the difference, less then, reduce, deduct. different words for multiply, eg: Lots of, groups of, product, multiplied by. different words for divide, eg: Shared by, groups of, divisible by.