Counting On
Solve 8 + 5 by counting on
Start at 8... count on 5 more: 9, 10, 11, 12, 13
What is one ADDITION equation in the fact family: 3, 5, 8
3+5=8 or 5+3=8
What number do I add to 5 to make 10?
5
2 + 2 = ___
4
There are 4 kids in the classroom. 2 more kids come in. How many kids are in the classroom now?
4 and 2 are the parts, 6 is the total.
Start at 9, count on 3 more: 10, 11, 12
What is one ADDITION equation in the fact family: 10, 5, 15
10 + 5 = 15, 5+10=15
What number do I add to 7 to make 10?
3
4 + 4 = ___
8
There are 10 flowers in the garden. 4 flowers get picked. How many flowers are left in the garden?
10 is the total. 4 is the part. 6 is the part that shows the flowers that are left.
Solve 14 + 3 by counting on
Start at 14, count on 3 more: 15, 16, 17
What is one SUBTRACTION equation in the fact family 4, 7, 3
7-4=3 or 7-3=4
___ + 8 = 10
2
6 + 6 = __
12
There are 15 chickens on a farm. There are 5 cows. How many more chickens are there than cows?
15 is the bigger number (chickens). 5 is the smaller number (cows). 10 is how many more chickens there are than cows (difference).
Solve 6 + 8 by counting on
Start at 8, count on 6 more: 9, 10, 11, 12, 13, 14
What is one SUBTRACTION equation in the fact family: 8, 3, 5
8-3=5 or 8-5=3
16 - __ = 10
14 - 7 = __
7
There are 18 crayons in the box. Saanvi takes out 5. How many crayons are still in the box?
18 is the total. 5 is the part. 13 is the part that shows how many are left in the box.
Solve 15 + 4 by counting on
Start at 15, count on 4 more: 16, 17, 18, 19
What are ALL the equations in the fact family: 4, 6, 10
4+6=10
6+4=10
10-4=6
10-6=4
19
Which double helps you solve 8 + 7?
There are 5 birds on a branch. Then 3 more birds join them. Later, 2 birds fly away. How many birds are still on the branch?
Part 1: 5 and 3 are the parts. 8 is the total number of birds on the branch.
Part 2: 8 is the total. 2 is the part that shows the birds that flew away. 6 is the number of birds still on the branch.