Part-Part-Total
Look at the number model. How would you correctly fill in a part part total diagram?
4+6=10
10
4 6
Leo made 5 snowballs for the snowball fight. Tommy made 8 snowballs.
How many snowballs do they have altogether?
13 Snowballs
<--------------------------------------------------->
1 2 3 4 5 6 7 8 9 10 11 12 13
Start at 2 and count UP 2. Where do you land?
4
1, 2, 3, 4, 5, 6, 7, 8, 9, 19
+1
What is the missing number?
___, 10, 15, 20, 25
Look at the number model. How would you correctly fill in a part part total diagram?
2+4=6
6
2 4
Roxie had 5 treats on Sunday. She also had 5 treats on Monday.
How many treats did Roxie eat altogether?
10 treats
<---------------------------------------------------->
1 2 3 4 5 6 7 8 9 10 11 12 13
Start at 7 and count UP 5. Where do you land?
12
6, 8, 10, 12, 14, 16, 18, 20
+2
What is the missing number?
10, 20, ___, 40, 50
30
Look at the number model. How would you correctly fill in a part part total diagram?
12+4=16
16
12 4
Sasha made 10 gingerbread cookies and she ate 3 of them.
How many cookies does she have left?
7 cookies
<---------------------------------------------------->
1 2 3 4 5 6 7 8 9 10 11 12 13
Start at 5 and count UP 7. Where do you land?
12
70, 60, 50, 40, 30, 20
-10
What are we counting by?
22, 24, 26, 28, 30, 32
Counting by 2s
Look at the number model. How would you correctly fill in a part part total diagram?
*HINT: Big number on top
10-7=3
10
7 3
The snowman had 3 buttons, but he lost 1 of them?
How many buttons does he have left?
2 buttons
<---------------------------------------------------->
1 2 3 4 5 6 7 8 9 10 11 12 13
Start at 9 and count BACK 1. Where do you land?
8
55, 50, 45, 40, 35, 30, 25, 20
-5
What is the missing number?
100, 90, ___, 70, 60
80
Look at the number model. How would you correctly fill in a part part total diagram?
20-10=10
20
10 10
The students solved 3 addition problems and 10 subtraction problems.
How many problems did they solve altogether?
13 problems
<---------------------------------------------------->
1 2 3 4 5 6 7 8 9 10 11 12 13
Start at 11 and count BACK 10. Where do you land?
1
3, 6, 9, 12, 15
+3
Fill in the missing numbers
15, ___, ____, 30, 35, ___
20, 25, 40