Page 357 - NUMINO_WB_3B
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The Difference That Stays the Same
Kate is 10 years old and her mother is 36 years old. After how many
years will her mom’s age be three times Kate’s age?
Step 1. The difference between Kate’s age and her mom’s age always
stays the same. What is the difference between Kate’s age and
her mom’s age?
Step 2. The following picture shows the year that her mom’s age is three
times Kate’s age. Write the correct number in the blank.
Mom’s Age years
Kate’s Age
Step 3. How old is Kate in the picture given in Step 2?
Step 4. After how many years will her mom’s age be three times Kate’s
age?
The Difference That Stays the Same
Kate is 10 years old and her mother is 36 years old. After how many
years will her mom’s age be three times Kate’s age?
Step 1. The difference between Kate’s age and her mom’s age always
stays the same. What is the difference between Kate’s age and
her mom’s age?
Step 2. The following picture shows the year that her mom’s age is three
times Kate’s age. Write the correct number in the blank.
Mom’s Age years
Kate’s Age
Step 3. How old is Kate in the picture given in Step 2?
Step 4. After how many years will her mom’s age be three times Kate’s
age?
