Lesson: Writing Addition and Subtraction Expressions

A mother elephant weighs 6,228 kg, and her baby weighs 1,540 kg. Using the sign, how do you represent their total weight in kilograms?

Liam was trying to sell his 62 toy cars in a yard sale. He sold 12 to one of his friends and later he sold 18 to one of his neighbors.

Which expression tells you how many toy cars he has left to sell?

Jacob will be 89 years old in 2025. Fill in the gaps to make an expression which will tell us how old he was in 2008: .