Addition and Subtraction within 20: Worksheets, Online Test and Calculators

Addition and subtraction 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 algebra.

Addition and Subtraction within 20
Name Grade School
Date Questions10 Score

1
If 9 lemons added to the below group, what will be the total number of lemons?
lemonlemonlemonlemon
+
=
2
If 5 chickens added to the below group, what will be the total number of chickens?
hatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chick
+
=
3
If 6 corns added to the below group, what will be the total number of corns?
corncorncorncorncorncorncorncorncorncorn
+
=
4
If 2 flowers added to the below group, what will be the total number of flowers?
blossomblossomblossom
+
=
5
If 2 hats were taken away from the below group, how many hats will be left in the group?
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
-
=
6
If 1 tomatos added to the below group, what will be the total number of tomatos?
tomatotomatotomatotomatotomato
+
=
7
If 2 grapes added to the below group, what will be the total number of grapes?
grapesgrapesgrapes
+
=
8
If 1 watermelons added to the below group, what will be the total number of watermelons?
watermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelon
+
=
9
If 2 tennis balls added to the below group, what will be the total number of tennis balls?
tennistennistennistennistennistennistennis
+
=
10
If 1 cats added to the below group, what will be the total number of cats?
catcatcatcatcatcatcatcat
+
=

Solved Worksheet Problems
1
If 9 lemons added to the below group, what will be the total number of lemons?
lemonlemonlemonlemon
+
lemonlemonlemonlemonlemonlemonlemonlemonlemon
=
lemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemonlemon
2
If 5 chickens added to the below group, what will be the total number of chickens?
hatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chick
+
hatched_chickhatched_chickhatched_chickhatched_chickhatched_chick
=
hatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chickhatched_chick
3
If 6 corns added to the below group, what will be the total number of corns?
corncorncorncorncorncorncorncorncorncorn
+
corncorncorncorncorncorn
=
corncorncorncorncorncorncorncorncorncorncorncorncorncorncorncorn
4
If 2 flowers added to the below group, what will be the total number of flowers?
blossomblossomblossom
+
blossomblossom
=
blossomblossomblossomblossomblossom
5
If 2 hats were taken away from the below group, how many hats will be left in the group?
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
-
tophattophat
=
tophattophattophattophattophattophattophattophattophattophattophattophattophattophattophat
6
If 1 tomatos added to the below group, what will be the total number of tomatos?
tomatotomatotomatotomatotomato
+
tomato
=
tomatotomatotomatotomatotomatotomato
7
If 2 grapes added to the below group, what will be the total number of grapes?
grapesgrapesgrapes
+
grapesgrapes
=
grapesgrapesgrapesgrapesgrapes
8
If 1 watermelons added to the below group, what will be the total number of watermelons?
watermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelon
+
watermelon
=
watermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelonwatermelon
9
If 2 tennis balls added to the below group, what will be the total number of tennis balls?
tennistennistennistennistennistennistennis
+
tennistennis
=
tennistennistennistennistennistennistennistennistennis
10
If 1 cats added to the below group, what will be the total number of cats?
catcatcatcatcatcatcatcat
+
cat
=
catcatcatcatcatcatcatcatcat

Worksheet: Addition and Subtraction within 20

Addition and subtraction 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 algebra problems in basic mathematics.