Math 1
8+4=
12
9+5=
14
Take out 10
50
40, 10
Take out 10
18
8, 10
22-9=
13
Are these number sentences equal?
10+5=9+6
Yes
48+6=
54
10-2=
8
10-7=
3
Take out 10
58
10 + ___= 14
8+ ____= 14
4, 6
37+5=
42
70-7=
61
13-7=
6
53-6=
47
Ronnie uses 5 brown bricks and 8 red bricks to build a fort. How many bricks does Ronnie use in all?
5+8=13
Ronnie uses 13 bricks.
There were 28 students at recess. A group of 7 students came outside to join them. How many students are there now?
There are 35 students now.
28+7= 35
Show how 10-4 helps you solve 30-4
If you break 30 into 20 and 10 and subtract the 4 from 10 you have 10-4 and all you have to do is add the 20.
10-6=6
20+6=26
Victoria gave 6 celery sticks to her mom. She started with 13. How many celery sticks does she have left?
Victoria has 7 celery sticks left.
13-6=7
Carmen has 16 markers. She gives King some. 7 markers are left. How many markers did Carmen give to King?
16-7=9
Ben had 7 pencils and bought 5 more. How many pencils does Ben have altogether?
Ben has 12 pencils.
7+5=12
Susan collected 84 shells.
78+6= 84
Carla has 70 paper clips. She gives 6 away. How many paper clips does Carla have left?
Carla has 64 paper clips left.
70-6= 64
Brandon has 16 brownies. he gives some brownies to his friends and now her has 8 left. How many brownies did he give away?
Brandon gave away 8 brownies.
16-8=8
Miss. Wilkie has 17 chicken nuggets. Her students at some. 9 chicken nuggets were left. How many chicken nuggets did her students eat?
Her students ate 8 chicken nuggets.
17-9=8