Adding
12 + 1 = ____
12 + 1 = 13
1 - 0 = ___
1 - 0 = 1
Is the word "sum" an addition keyword?
Yes! Sum is an addition keyword!
There are 6 cookies. I ate 3 of them. How many cookies are left?
6 cookies - 3 cookies = 3 cookies
7 + 8 = _____
7 + 8 = 15
10 - 2 = ____
10 - 2 = 8
Is the word "difference" a subtraction keyword?
Yes! Difference is a subtraction keyword!
I have 10 balloons and I give 4 away to my friends. How many balloons do I have left?
10 balloons - 4 balloons = 6 balloons
10 + 10 = ____
10 + 10 = 20
11 - 11 = ____
11 - 11 = 0
Is the word "left" and addition keyword?
No! Left is a subtraction keyword!
I bake 3 cakes for my mom´s birthday and my brother bakes 8 more cakes. How many cakes did we bake in all?
3 cakes + 8 cakes = 11 cakes
0 + 10 = _____
0 + 10 = 10
17 - 7 = ___
17 - 7 = 10
Is the phrase "in all" a subtraction keyword?
No! In all is an addition keyword!
Sarah has 15 trucks. Andrew has 12 trucks. What is the difference of the number of trucks between Sarah and Andrew?
15 trucks - 12 trucks = 3 trucks
12 + 10= ____
12 + 10 = 22
30 - 20 = ____
30 - 20 = 10
Is the word "altogether" an addition keyword?
Yes! Altogether is an addition keyword!
Riley has 20 toy cars and her brother has 6 toy cars. How many toy cars do they have in all?
20 cars + 6 cars = 26 cars