Mental Maths
PS2. 12,500
Busy at Maths pg. 118
Q. 1a) 6kg, 60kg b) 15cm, 30 cm c) €12, €20 d) 45l, 27 l e) 24km, 32km
Q.2 a) 60% b) 40% c)33 1/3% d) 11.1%
Q.3 - 37 1/2%
Q.4 - 27.6kg
- 2,750,000
- 21.588
- 5
- 2 3/4, 3 1/4
- 1.5 cm 15mm
- -5 hours
- no
- kitchen scales
- 1/81
- 21
- 11, 13, 17 and 19
- €120
- 41
- 8,005mm
- true
- 9
- 12
- 0.1
- 8
- 6
PS2. 12,500
Busy at Maths pg. 118
Q. 1a) 6kg, 60kg b) 15cm, 30 cm c) €12, €20 d) 45l, 27 l e) 24km, 32km
Q.2 a) 60% b) 40% c)33 1/3% d) 11.1%
Q.3 - 37 1/2%
Q.4 - 27.6kg