Lesson 10-2

LET'S BUILD Count, Read, and Write 13, 14, and 15

For more help with this lesson, view the Visual Learning Animation or the Another Look Video.

MATH HELP AT HOME

Sample Additional Practice Exercise 1

Count the connecting cubes and write the number to tell how many.

A train of 10 cubes and 3 more cubes. The number 13 is written.

There are 10 cubes and 3 more cubes. To find how many, count all the cubes. There are 13 cubes. Write 13.

HOME ACTIVITY

13, 14, or 15 in a Group

MATERIALS

Index Cards, Small Objects

ACTIVITY

Have your child write the numbers 13, 14, and 15 on 3 index cards. Show your child groups of 13, 14, and 15 objects. Have your child count the objects in each group, say the numbers, and match the number cards to the groups.