Equal Equations Lessons

Equality and Equations

Balancing equations, Solving Unknowns, and Word Problems

Fill in the Blanks

Solve for the unknown. Write the number that belongs in the box so that the equation is true.
13 =

- 5

Multiple Select

Choose the number sentences below that are true.

• 13 + 2 = 16

• 7+ 3 = 12 – 2

• 11 = 10 + 1

• 4 + 5 = 9 – 4

• 2 = 14 - 13

Multiple Choice

Choose the equation that shows the dominoes have the same value.

• 6 + 11 = 8

• 6 + 10 = 8 + 9

• 6 + 11 + 8 = 9

• 6 + 11 = 8 + 9

• 5 = 8 + 9

Multiple Choice

Nia has some roses and daisies.

Nia has 14 flowers total.

How many roses and daisies could Nia have?

Choose the roses and daisies below that could represent Nia’s flowers.

• 9 roses and 5 daisies

• 14 roses and 0 daisies

• 7 roses and 8 daisies

• 10 roses and 5 daisies

• 6 roses and 11 daisies

Multiple Choice

DJ has 13 toy cars.

Rina broke some of them.

Now, DJ has 6 toy cars that are not broken.

How many toy cars are broken?

Which equation could help you solve the problem?

• 13 + 6 = ____

• ____ - 6 = 13

• 13 - ____ = 6

• 13 + ____ = 6

• 6 - ____ = 13

Multiple Select

Which equations are false?

• 6 + 7 = 20 - 7

• 8 + 4 = 12 - 4

• 14 – 4 = 10 + 4

Multiple Choice

Jack had some money.

He earned 8 more dollars doing chores.

Now Jack has 15 dollars.

How much money did Jack have to begin with?

• $8

• $7

• $15

• $23

• $6

Fill in the Blanks

Solve for the unknown. Write the number that belongs in the box so that the equation is true.

12 +

= 17

Multiple Choice

Mike had some erasers.

He got 7 more from his teacher.

Now Mike has 16 erasers.

How many erasers did Mike have to begin with?

• 16

• 7

• 23

• 9

• 8

Multiple Choice

Which equation is false?

• 3 + 4 = 7 - 5

• 5 + 5 = 20 - 10

• 17 – 4 = 10 + 3

Multiple Choice

Bree has 18 Pokémon cards.

Her brother took some of them.

Now, Bree has 9 Pokémon cards left.

How many Pokémon cards did her brother take?

Which equation could help you solve the problem?

• 18 + ____ = 9

• ____ - 9 = 18

• 9 - ____ = 18

• 18 + 9 = ____

• 18 - ____ = 9

Fill in the Blanks

Solve for the unknown. Write the number that belongs in the box so that the equation is true.

14 +

= 20

Multiple Choice

Max has some pencils and markers.

Max has 15 total.

How many pencils and markers could Max have?

Choose the pencils and markers below that could represent Max’s pencils and markers.

• 15 pencils and 0 markers

• 9 pencils and 5 markers

• 8 pencils and 7 markers

• 13 pencils and 3 markers

• 6 pencils and 10 markers

Multiple Choice

Choose the equation that shows the dominoes have the same value.

• 5 + 4 + 7 = 2

• 7 + 2 = 5 + 4

• 5 + 4 = 7

• 5 + 4 = 8 + 2

• 9 = 7+ 2

Multiple Select

Choose the number sentences below that are true.

• 14 =12 + 2

• 5 + 4 = 11 – 3

• 13 = 13 + 1

• 10 + 1 = 12 – 1

• 2 = 16 - 13

Fill in the Blanks

Solve for the unknown. Write the number that belongs in the box so that the equation is true.

13 =

- 7

Poll

Let's Reflect on Our Learning! How confident are you when it comes to :

“Determine whether an equation is equal and solve for unknowns in a problem using models”