Add 3 Whole Numbers Whose Sum is within 20: Worksheets, Online Test and Calculators

Add 3 whole numbers whose sum is within 20 worksheets, solved worksheet problems or exercises with step-by-step work, formative assessment as online test, calculator and more learning resources to learn, practice, assess and master the basic math skills of addition.

Add 3 Whole Numbers Whose Sum is within 20
Name Grade School
Date Questions10 Score

1
+ 1 + 10 = 19
+
tophat
+
tophattophattophattophattophattophattophattophattophattophat
=
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
2
4 + 11 + = 17
tophattophattophattophat
+
tophattophattophattophattophattophattophattophattophattophattophat
+
=
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
3
8 + 6 + 5 =
lemonlemonlemonlemonlemonlemonlemonlemon
+
lemonlemonlemonlemonlemonlemon
+
lemonlemonlemonlemonlemon
=
4
+ 2 + 5 = 16
+
candycandy
+
candycandycandycandycandy
=
candycandycandycandycandycandycandycandycandycandycandycandycandycandycandycandy
5
6 + + 2 = 19
tophattophattophattophattophattophat
+
+
tophattophat
=
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
6
+ 4 + 1 = 7
+
blossomblossomblossomblossom
+
blossom
=
blossomblossomblossomblossomblossomblossomblossom
7
9 + + 1 = 12
strawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberry
+
+
strawberry
=
strawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberry
8
2 + 8 + 10 =
shaved_iceshaved_ice
+
shaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_ice
+
shaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_ice
=
9
4 + 2 + = 17
cakecakecakecake
+
cakecake
+
=
cakecakecakecakecakecakecakecakecakecakecakecakecakecakecakecakecake
10
+ 16 + 2 = 19
+
beebeebeebeebeebeebeebeebeebeebeebeebeebeebeebee
+
beebee
=
beebeebeebeebeebeebeebeebeebeebeebeebeebeebeebeebeebeebee

Solved Worksheet Problems
1
8 + 1 + 10 = 19
tophattophattophattophattophattophattophattophat
+
tophat
+
tophattophattophattophattophattophattophattophattophattophat
=
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
2
4 + 11 + 2 = 17
tophattophattophattophat
+
tophattophattophattophattophattophattophattophattophattophattophat
+
tophattophat
=
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
3
8 + 6 + 5 = 19
lemonlemonlemonlemonlemonlemonlemonlemon
+
lemonlemonlemonlemonlemonlemon
+
lemonlemonlemonlemonlemon
=
lemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemon
4
9 + 2 + 5 = 16
candycandycandycandycandycandycandycandycandy
+
candycandy
+
candycandycandycandycandy
=
candycandycandycandycandycandycandycandycandycandycandycandycandycandycandycandy
5
6 + 11 + 2 = 19
tophattophattophattophattophattophat
+
tophattophattophattophattophattophattophattophattophattophattophat
+
tophattophat
=
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
6
2 + 4 + 1 = 7
blossomblossom
+
blossomblossomblossomblossom
+
blossom
=
blossomblossomblossomblossomblossomblossomblossom
7
9 + 2 + 1 = 12
strawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberry
+
strawberrystrawberry
+
strawberry
=
strawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberrystrawberry
8
2 + 8 + 10 = 20
shaved_iceshaved_ice
+
shaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_ice
+
shaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_ice
=
shaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_iceshaved_ice
9
4 + 2 + 11 = 17
cakecakecakecake
+
cakecake
+
cakecakecakecakecakecakecakecakecakecakecake
=
cakecakecakecakecakecakecakecakecakecakecakecakecakecakecakecakecake
10
1 + 16 + 2 = 19
bee
+
beebeebeebeebeebeebeebeebeebeebeebeebeebeebeebee
+
beebee
=
beebeebeebeebeebeebeebeebeebeebeebeebeebeebeebeebeebeebee

Worksheet: Add 3 Whole Numbers Whose Sum is within 20

Add 3 whole numbers whose sum is within 20 worksheet is the largest collection of practice problems and solved exercises which can be served as homework, classwork or assignment problems for the students to learn, practice, assess, iterate and master the skills of how to solve such addition problems in basic mathematics.