Objective
By the end of this lesson, you will be able to complete number sentences involving addition and subtraction by finding missing values.
Materials and Prep
Materials needed: Pen or pencil, paper
No prior knowledge required.
Activities
Activity 1: Solve the Missing Number - Write down number sentences with missing values and solve them by finding the missing number.
Activity 2: Math Bingo - Create a bingo card with addition and subtraction problems. Solve the problems to mark off the answers on your card.
Activity 3: Math Story Problems - Create fun story problems involving addition and subtraction. Solve them by finding the missing values.
Talking Points
"In math, we use addition to combine numbers and subtraction to take away numbers."
"Sometimes in a number sentence, a number is missing. We need to find that missing number to complete the sentence."
"You can use your counting skills to help you find the missing number in addition and subtraction problems."
"Remember, addition is like putting things together, and subtraction is like taking things away."