There are two balances in the picture below. Find the lightest animal.
A. Koala
B. Panda
C. Gorilla
D. Monkey
Editorial self-study note: the source does not determine a unique lightest animal among all four options. Explain your reasoning. This question is manually graded out of 4 points; the original statement and choices above are unchanged.
Milo is writing a calculation. Which number is he writing?
$6 - 4 = ?$
A. 11
B. 8
C. 10
D. 2
Editorial self-study response format: the text and picture give different equations. Enter one numerical answer using either printed interpretation; both interpretations are accepted for all 4 points. Enter a number, not A, B, C or D. The original text, picture and options above are retained.
Ivy has some boxes as the figure on the left. She stacks the boxes to get the figure on the right. How many boxes are there in the figure on the right?