Look at the subtraction problem.
89 – 75 = ?
You can round 89 to 90 to make an easier problem and then add or subtract to make up for the rounding.
Drag numbers and operations into the boxes to complete the number sentences.
Put responses in the correct input to answer the question. Select a response, navigate to the desired input and insert the response. Responses can be selected and inserted using the space bar, enter key, left mouse button or touchpad. Responses can also be moved by dragging with a mouse.
89 – 75 = Response area – 75 Response area 1
89 – 75= Response area
Mathbot Says...
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