Adding Numbers to 20!

Front

What is the sum of 5 and 7?

Back

12

Front

If you have 10 dots and you add 6 more, how many dots do you have in total?

Back

16

Front

What equation represents the total number of dots if there are 5 green dots and 7 red dots?

Back

5 + 7 = 12

Front

How do you find the missing number in the equation 10 + ___ = 16?

Back

Subtract 10 from 16 to find the missing number, which is 6.

Front

What is the maximum sum you can get by adding two numbers that are both less than or equal to 20?

Back

20

Front

If you have 8 green dots and 3 red dots, how many dots do you have in total?

Back

11

Front

What is the principle of addition when combining two groups of objects?

Back

The principle of addition states that the total number of objects is the sum of the objects in each group.

Front

What is the equation for finding the total number of dots if you have 4 dots in one group and 9 in another?

Back

4 + 9 = 13

Front

How can you represent the addition of 2 and 3 using a number line?

Back

Start at 2 on the number line, then move 3 units to the right to land on 5.

Front

What is the result of adding 0 to any number?

Back

The result is the same number; adding 0 does not change the value.