Question

1. a regular octagon has ______ sides and an internal angle size of:

(a) (25^{\circ}), (b) (90^{\circ}),
(c) (135^{\circ}), (d) (230^{\circ}),

1. (60\\%) of \\$50 is ______

1. the lcd for

\frac{4}{4} and \frac{2}{3} is ______

1. (147 \div 7 = (140 \div 7) + (7 \div 7) = \\) ______

1. \frac{8}{10} - \frac{3}{10} = ______

1. if a bus drives from 8:02 am until 8:13 am, what is the travelling time?

1. (a) (16 - 7 = \\) ____ (b) (1.6 - 0.7 = \\) ____

1. (12 \div 4 = 24 \div \\) ______

1. draw a \frac{1}{2} turn.

1. if you ride your bike (2\frac{1}{2}) kilometres in 10 minutes, how many kilometres can you travel in one hour?

1. what is the chance of randomly picking a blue pen if your pencil case holds four orange and six blue pens?

____ in ____

1. follow the instructions to correctly write 6, 24, 48, and 56 onto each answer line.

(a) the number on the far left has the most factors.
(b) the number on the far right has the least factors.
(c) 56 is to the right of 48.
____ __ __ ____

1. does 5.27 round to 5.2 or 5.3? ______

1. 35, 70, 105, 140, ______

1. a decagon has ______ sides.

Explanation:

Answer:

1. 8 sides, (c) \(135^{\circ}\)
2. \$30
3. 12
4. 21
5. \(\frac{4}{10}\) (or \(\frac{2}{5}\))
6. 11 minutes
7. (a) 9, (b) 0.9
8. 8
9. A square containing a downward-pointing solid triangle on the left and an upward-pointing hollow triangle on the right.
10. 15 kilometres
11. 6 in 10 (or 3 in 5)
12. 24, 48, 56, 6
13. 5.3
14. 175
15. 10