# Worksheet: Properties of Addition with Numbers up to 20

In this worksheet, we will practice identifying properties of addition to solve problems and represent them using number lines and figures in a real-world context with numbers up to 20.

Q1:

Check if the equal sign has been used correctly in . Are the two sums equal?

• A No
• B Yes

Q2:

.

Q3:

Madison has 1 dog, 7 fish, and 2 rabbits. She has pets in total. How many pets does she have?

Q4:

Jacob is adding 8 and 6 by first making 10.

Find the missing number in his calculation.

Q5:

Write the number of rabbits, dogs, and ducks, and then find the sum of all animals.

• A4 rabbits, 8 dogs, 1 duck, 13 animals
• B8 rabbits, 5 dogs, 1 duck, 14 animals
• C8 rabbits, 8 dogs, 4 ducks, 13 animals
• D4 rabbits, 5 dogs, 1 duck, 10 animals
• E4 rabbits, 5 dogs, 4 ducks, 11 animals

Q6:

Write the number of rabbits, dogs, and ducks, and then find the sum of all animals.

• A2 rabbits, 6 dogs, 3 ducks, 11 animals
• B3 rabbits, 5 dogs, 3 ducks, 11 animals
• C3 rabbits, 6 dogs, 1 duck, 8 animals
• D2 rabbits, 5 dogs, 3 ducks, 10 animals
• E2 rabbits, 5 dogs, 1 duck, 16 animals