Thursday 26 March 2015

Sequence ****

What is the next number in the following sequence?

15, 78, 456, 2724...

Hint: Two operations (out of adding, subtracting, multiplying, dividing) are needed to get to the next term.

Sequence Solution

16, 332 is the next number.  The term-to-term rule is subtract 2 then multiply by 6.

Friday 20 March 2015

Domino Jigsaws ****



Can you arrange a set of dominoes (up to double sixes) onto these mats.  Each number refers to the number of dots on each domino. 


4


5


3


1


3


3


3


3



0


5


5


1


0


3


1


1


0


0


0


1



4


4


6


6


1


1


6


3


1


2


2


3



0


4


4


2


4


4


4


2


5


5


5


5




0


0


6


6


2


2


6


6


2


2


6


5


If you find a solution, draw it out and show it to Mrs Hopkins.  Do you think there is more than one solution?

Countdown Solutions

Using the numbers 2, 3 and 6, and any of the four mathematical operations:
6 + 3 + 3 = 11
2 x 3 + 6 = 12
6 x 2 + 3 = 15
6 + 3 - 2 = 7
6 x 3 + 2 = 20
3 x 2 x 6 = 36
6 - 3 - 2 = 1 or (6/3) / 2 = 1
6 - (3 - 2) = 1
(3 + 6) x 2 = 18
(6 + 2) x 3 = 24

You might have found some different solutions that work as well.

Friday 6 March 2015

Multiple Choice Maths **



Find the answers to these problems.  Challenge yourself to calculate the solutions mentally.

1. A tree was planted in 1998.  How old will it be in 2020?
A – 12 years old
B – 22 years old
C – 32 years old
D – 42 years old

2. Which number is nearest to 1000?
A – 909
B – 960
C – 1039
D – 1049

3. What is half of 56?
A – 29
B – 28
C – 27
D – 26

4. My book has 144 pages.  I have read 40 pages.  How many pages do I need to read until I am halfway through the book?
A – 31 pages
B – 32 pages
C – 72 pages
D – 188 pages