Grade 1

Share the Headline Story with the class. Encourage children to find creative ways to complete the story. Pose additional questions such as “What do you know about their ages?” to help children focus on the relationship between the numbers.

Katie is ten years older than Matt. If Matt is _____ years old, then Katie is _____ years old.

- If Matt is 6, then Katie is 16.
- If Matt is 90, then Katie is 100.
- If Matt is 38, then Katie is 48.
- The last digit of their ages has to be the same.
- The tens digit of Katie’s age is one more than the ten’s digit of Matt’s age.

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