Place Value
How much is the 5 worth in 752?
50
Every number has at least 2 factors.
What are these factors?
1 and itself
5 + 10 + 2 =
17
3 x 9
27
I have a face, two hands, but no arms or legs. What am I?
A clock
How much is the 6 worth in 2692?
600
What are all the factors of 10?
1, 10, 5 and 2
70 - 5 - 11
54
100 ÷ 10 =
10
I'm tall when I'm young and short when I'm old. What am I?
A candle
What is the standard form of:
500 + 400 + 30 + 20 + 5?
955
What are all the factors of 24?
1, 2, 3, 4, 6, 8, 12, 24
214 + 127
341
What is an easy rule to follow when multiplying by 100?
For example: 5 x 100
5 x 1 and then you add 2 zeros to the answer
I have keys but no locks. I have space but no room. What am I?
A keyboard
What is the expanded form of 717?
700 + 10 + 7
Every even number has one of the same factors. What number is this?
2
468 - 219
249
If you need to work out half of a number, what number can you divide it by?
2
I'm a word with three letters, add two and fewer there will be. What am I?
Few
0.2
It is in the tenths place
Some numbers only have 2 factors - 1 and itself. For example the number 3 only has 2 factors which are 1 and 3.
What are these numbers called? (Hint it starts with a P)
Prime
If Jenny had 385 apples and she gave 147 apples to her friend, but then bought 212 more apples at the store, how many apples does Jenny have now?
385−147+212=450385−147+212= 450
So, Jenny now has 450 apples
If you multiply a number by itself what is this called? (Hint it starts with S)
For example 5 x 5
Squaring
I'm a part of the bird, that's not in the sky. I can swim in the ocean and yet remain dry. What am I?
A shadow