Greater/Less Than
which number is greater? 8 or 6
8
8+3=
11
12-6=
6
There are 10 horses eating. But two horses gallop away. How many horses are eating?
10-2=8 horses
What is an addend?
a number that is being added to another
Which number is les than? 30 or 20
20
2+0+1=
3
12-8
4
There are 9 puppies sleeping in the barn. Then 3 puppies wake up. How many puppies are still asleep?
9-3=6 puppies
what is a sum?
the answer to an addition problem
Which number is greater than? 200 or 120
200
5+1+3=
9
11-7
4
10-5=5 chicks
What does Difference mean?
answer to a subtraction problem
Which number is less than? 1,000 or 3
3
6+5=
11
4-4=
0
5-1=4 chicks
What is a Doubles addition problem?
when both addends are the same
Which number is greater? 25 or 35
35
20+40=
60
20-15=
5
6 eggs were found on Monday. 5 were found on Tuesday. How many eggs were there altogether?
6+5=11 eggs
Order property of addition means
even if the addends are switched the sum is still that same
ex. 2+3=5
3+2=5