Missing ADDEND

1. Guess and Check - This strategy is based on trying different numbers. The key is to think after each try and change or revise the guess when necessary. 

2. Use subtraction to help you solve addition missing addends.

3. Use manipulatives to help you solve.

4. Drawing a picture is a great tool!

Making 10 (2 Videos)

Commutative Property

Adding 0

Counting On

Writing Addition Word Problems

   in all               altogether              in total             what is the sum

Ms. Lynch has 25 markers in her desk.  She buys 15 at the store.  How many markers does she have in all?

Mark has 18 hockey cards.  Kelly has 22 hockey cards.  How many hockey cards do they have in total?

Laura went to the store and bought 10 apples.  She also bought 25 grapes.  What is the sum of the fruit?

The squirrels were collecting nuts for the winter.  Baby Squirel collected 33 nuts and mom Squirel collected 46 nuts.  How many food items did they collect altogether?