Show:
Addition
Subtraction
Estimation
addition or subtraction
multiples
100
42 + 16 =
What is 58
100
14 - 8 =
What is 6
100
The closest ten to 43
What is 40
100
this is used with a sum
What is addition
100
this is four groups of four
What is 16
200
53 + 24 =
What is 77
200
53 - 6 =
What is 47
200
The closest ten to 89
What is 90
200
this is used for a difference
What is subtraction
200
this is ten groups of 6
What is 60
300
56 + 29 =
What is 85
300
57 - 5 =
What is 52
300
the closest 10 to 45
What is 50
300
if you have two toys to buy you will do this to find how much you need
What is add
300
this is 5 groups of 7
What is 35
400
This is when the number in the ones column is over 9
What is regroup
400
83 - 65 =
What is 18
400
the closest ten to 187
What is 190
400
When you spend money you will do this operation.
What is subtract
400
this is 10 groups of 100
What is a 1000
500
This is what goes in the tens column when you regroup
What is a ten
500
then is when the number on the top is smaller
What is regrouping
500
A number lower than 5 does this
What is rounding down
500
If you buy two items and want to know how much you have left you will do this.
What is add and subtract or subtract twice
500
this is repeated addition
What is multiplication