Question

many problems require you to enter a number or expression in an answer box, using the keyboard.

answer the following question by clicking in the answer box and typing your answer. then click the check answer button.
you might also want to try an incorrect answer to see the feedback that will be displayed.
$4 + 1 = \square$
(simplify your answer. type a whole number.)

Explanation:

Step1: Add the two whole numbers

$4 + 1 = 5$

Answer:

5