Grade 4- Math- Addition, subtraction equations

What is an equation?

• both sides of the equal sign being the same

• finding the answer

• finding the question

• numbers that are the same

What does it mean to balance an equation?

• finding the missing number in an equation

• writing down the question

• numbers should look the same

• both sides of the equal sign should be the same

What do you do when you solve an equation?

• Writing the same number

• Writing down the equation again

• Using a strategy to find the missing number in the equation

• No answer is correct

256= 134 +123 Does this equation balance?

• Yes

• No

189 = 234 -43

This equation does not balance. So, which number should we add to 43 to make it balance?

• add 4

• add 2

• add 0

• add 5

10 = 5 + 3

This equation does not balance. How much do we need to add to the 5 for it to balance?

• add 5

• add 1

• add 2

• add 3

Does this equation balance?

587 + 376 = 963

• No

• Yes

Solve this equation

97 + 43 =

• 150

• 240

• 140

• 250

Jill has a birthday party. She buys 27 ice cream tubs for her friends. However, Jill becomes very sad because some of her friends didn’t show up for her birthday. She gave away 18 ice cream tubs to the friends who came. How many ice cream tubs are left?

• 11

• 7

• 8

• 9

Pam has 57 small soccer balls. She wants to give Poe a few. Pam leaves the balls on the floor and goes to get water. She comes back and Poe has taken a few soccer balls for himself. She now has 39 balls left. How many balls did Poe take?

• 16

• 21

• 18

• 17