Place value
Subtraction facts
Addition facts
Real world problems
Key terms
100
This Pokémon's number is 589. How many ones is there?
there is nine ones!
100
10- 2=
8!
100
10+ 8=
18!
100
Mr O has eight cookies he gives Bruce one. How many cookies does Mr O have?
Mr O has seven cookies left
8-1= 7!
100
What is standard form?
Standard form is when you write the number normally! For example
12, 15, 23 ,999
200
This is Sandshrew there number is 27.
How many tens is there?
there is two tens!
200
15- 11=
4!
200
9+7=
16!
200
Mr O has ten Pokémon cards he buys a pack of 8. How many Pokémon cards does he have now?
10+8= 18
Mr O has eighteen pokemon cards.
200
What is Written form?
Written form is when you write the number with words. For example, fifteen, twenty, one, four
300
This Pokémon's number is 678! How many hundreds is there?
There is six hundreds!
300
18- 5 =
13!
300
3+16=
19!
300
Mr O has 20 bags of chips. He has a class of 16 each student gets one bag of chips. How many chips are left over?
20-16=4!
There is four bags of chips remaining!
300
What is expanded form?
Expanded form is when you stretch the number!
For example, 200+ 40+5= 245
400
This Pokémon's number is 999. How many tens and how many ones does it have?
There is nine tens and nine ones
400
16-9=
7!
400
5+7=
12!
400
You have 12 pieces of candy, you want 15 pieces of candy. How many more pieces of candy do you need?
12+3=15!
You need three more pieces of candy to get to fifteen.
400
Write this number in the expanded form, written and standard.
23
1. 23 (standard)
2. 20+3= 23(expanded)
3. twenty three (written)
500
Mr O favourite Pokémon's number is 164! How many ones, tens and hundreds does it have?
There is four ones, six tens and one hundred!
500
20-15
5!
500
6+6=
12!
500
Mr O has fifteen pokemon cards he gives ten away to his class. After class he buys a pack of four pokemon cards. How many Pokemon cards does he have in total?
15-10=5!
Mr O has five Pokémon cards after he gives them away. 5+4=9!
Mr O has nine Pokémon cards after buying a pack of 4.
500
Write this number in expanded, written and standard
872
1. 872(standard)
2. 800+70+2=872(expanded)
3. eight hundred and seventy two