Currently viewing the tag: "Whole numbers"
Another TARGET game for any number of players. You want to win? So THINK MATHEMATICALLY and ESTIMATE the likely answers. When you multiply H hundreds by T tens what do you want the product of the digits H×T to be? A bit less than 10 perhaps?
You will need a set of 10 cards […]
A game for any number of players. You want to win by getting the total close to 100, so THINK MATHEMATICALLY! Concentrate on the digits in the tens column. What do you want them to add up to?
You need a set of 10 cards numbered 0 to 9 or a spinner. […]
Another TARGET game for any number of players or for the whole class as a lesson starter. You want to win so THINK MATHEMATICALLY. To get near to the target of 1000 you must get the hundreds digit multiplied by the single digit number close to 10. So for those 2 digits […]
Another TARGET game for any number of players or for the whole class as a lesson starter. You want to win so THINK MATHEMATICALLY. To get near to the target of 100 you must get
roughly 100×2-digit number = 4-digit number.
Think what that means for the tens digit in the 2 digit number and […]
A game for any number of players. You want to win so THINK MATHEMATICALLY!
For the TARGET 1000 version you divide a 4-digit number by a 1-digit number. Think about aiming for an answer near 1000, so how do you choose the thousands digit and the single number?
For the simpler TARGET […]
This is another TARGET game for the whole class to play as a lesson starter.
You want to win so THINK MATHEMATICALLY! You want to get the answer to the subtraction close to 1000. So make your top number about ONE THOUSAND more than the bottom number.
You will need a set […]
Using 3 rods of lengths from 1 to 10 units, and not using any rod more than once, you can measure all the lengths in whole units from 1 to 10 units.
For example with rods of lengths 3, 4, and 9 the measurements are:
4 – 3 = 1; 9 – 4 […]
There are some mistakes and some correct methods and correct answers.
Find the mistakes and write out the correct calculation using that method.
Explain how and why the methods that get the correct answers work.
How quickly can you find me?
I am a whole number less than 1000.
The product of my digits is 225.
I am not a multiple of 5.
Am I a multiple of 13?
Am I real? Am I rational? Am I irrational?
Now divide me by 11. Is the answer real? […]
What is the volume of this cuboid?
How many other cuboids with whole number dimensions have the same volume?
Do any of them have the same surface area?
Which has the biggest surface area? Which has the smallest?
How many have a square cross section?
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