Lesson 15.8: Social Studies Connection

Dominoes is a popular game all over the world. Some dominoes are black and white and are made of wood or plastic. You can play games with dominoes by counting their white dots.

A domino can show addition. Look at this example.

This domino shows these addition sentences.

1 + 2 = 3
	1
+	2
3
2 + 1 = 3
	2
+	1
3

Add the dots. Choose the correct number sentence for each domino.