Emmanuel Christian School has 78 students in third grade and 19 fewer students in fourth grade. How many students are in third and fourth grades altogether?

To determine the total number of students in third and fourth grades at Emmanuel Christian School, follow these steps: 1. **Number of Students in Third Grade:** \[ 78 \text{ students} \] 2. **Number of Students in Fourth Grade:** Since there are **19 fewer** students in fourth grade than in third grade: \[ 78 \text{ (third grade)} - 19 = 59 \text{ students} \] 3. **Total Number of Students in Both Grades:** Add the number of students in third grade and fourth grade together: \[ 78 \text{ (third grade)} + 59 \text{ (fourth grade)} = 137 \text{ students} \] **Answer:** There are **137** students in third and fourth grades altogether.