Learning Coach —

Objectives

Students will:

Skills Needed

Students must be able to:

Materials Needed

Students will need:

Keywords

Learning Coach Notes

Mental Math

How quickly can you solve these problems in your head?

Time yourself to see how long it takes you to do these addition and subtraction facts mentally. Click each problem to reveal the answer.

Problem		Answer
10 + 3	=	13
8 + 10	=	18
12 - 2	=	10
8 - 4	=	4
12 + 6	=	18
8 - 6	=	2
12 + 3	=	15
6 - 6	=	0
7 + 11	=	18
9 - 3	=	6
10 - 6	=	4
11 - 8	=	3
15 + 4	=	19
10 + 6	=	16
19 - 7	=	12
8 + 12	=	20
15- 8	=	7
10 + 6	=	16
9 - 4	=	5
4 + 16	=	20

Vertical Addition 1 + 1 = 2