Addition
5+4
5+4=9
10-2
10-2=8
Levi had 4 dogs. Emma had 5 dogs. How many dogs do they have altogether?
They have 9 dogs.
4 + 5 = 9
plus
Addition
5+5
5+5=10
7+2
7+2=9
9-6
9-6=3
Mary spilled 10 beads on the floor. Sally picked up 3 of them. How many beads are still on the floor?
7 beads are still on the floor.
10 - 3 = 7
minus
subtraction
McKenzie has 6 papers. Kathy takes 2 of her papers. How many papers does McKenzie have left?
McKenzie has 4 papers left.
6 - 2 = 4
3+4
3+4=7
8-4
8-4=4
Jeremiah has 9 cars. 3 are red, the rest are green. How many green cars does Jeremiah have?
Jeremiah has 6 green cars.
9 - 3 = 6
difference
subtraction
What sign is this -
Minus sign - Subtraction
8+2
8+2=10
10-1
10-1=9
Lizzie picked 7 apples. She gave Jane 5. How many apples does Lizzie have left?
Lizzie has 2 apples left.
7 - 5 = 2
sum
addition
What sign is this +
Plus sign - Addition
7+3
7+3=10
9-9
9-9=0
Bella has 2 small dogs and 7 big dogs. How many dogs does she have altogether?
Bella has 9 dogs.
2 + 7 = 9
addends
addition
5 + 2 = 7
Katie and Nathan went to a birthday party. They each brought 4 presents. How many presents did they have altogether?
They had 8 presents.
4 + 4 = 8