Elementary Education K–6
Question 6 of 37
Subtest 4 - Mathematics
Competency 1—Knowledge of integers, decimals, and fractions in base-10
DIRECTIONS: Read the question and select the best response.
A teacher is explaining a mental mathematics strategy to the class and says:
Suppose we wanted to add 76 + 9. One way to do this addition problem is to think: 76 + 9 is the same as 76 plus 10 minus 1, because 10 minus 1 is 9. By adding 76 and 10, we get 86, then subtracting 1 gives the answer 85. This kind of thinking is also called "making 10."
What type of strategy is being taught?
- Enter to expand or collapse answer.Answer expanded