Busy at Maths pg. 167 Q. 1-6
Q. 1 - €50
Q. 2 - a) €45 b) €5
Q. 3 - a) 3,264g b) 3.264kg
Q. 4 - 15.504kg
Q. 5 - €78.66
Q. 6 - 86,400g
Mental Maths
Q. 1 - 132m2
Q. 2 - 3
Q. 3 - 90 and 180
Q. 4 - 10
Q. 5 - 1,350
Q. 6 - 22c
Q. 7 - 0.8
Q. 8 - 9 8/10 or 9 4/5
Q. 9 - 1.1
Q. 10 - 315
Q. 11 - 8
Q. 12 - -2
Q. 13 - €50
Q. 14 - 12
Q. 15 - 10.1
Q. 16 - 1
Q. 17 - 3 rectangles & 2 triangles
Q. 18 - 6 1/4
Q. 19 - 2/6, 1/2, 2/3, 7/9
Q. 20 8
PS 1 - 12.00
PS 2 - 432
Q. 1 - €50
Q. 2 - a) €45 b) €5
Q. 3 - a) 3,264g b) 3.264kg
Q. 4 - 15.504kg
Q. 5 - €78.66
Q. 6 - 86,400g
Mental Maths
Q. 1 - 132m2
Q. 2 - 3
Q. 3 - 90 and 180
Q. 4 - 10
Q. 5 - 1,350
Q. 6 - 22c
Q. 7 - 0.8
Q. 8 - 9 8/10 or 9 4/5
Q. 9 - 1.1
Q. 10 - 315
Q. 11 - 8
Q. 12 - -2
Q. 13 - €50
Q. 14 - 12
Q. 15 - 10.1
Q. 16 - 1
Q. 17 - 3 rectangles & 2 triangles
Q. 18 - 6 1/4
Q. 19 - 2/6, 1/2, 2/3, 7/9
Q. 20 8
PS 1 - 12.00
PS 2 - 432