20 printable or digital pages on the order of operations. Students solve numerical expressions with parentheses, brackets, braces, exponents, multiplication, division, addition and subtraction (PEMDAS) while learning about insects and spiders:scorpion, black widow, ladybug, earthworm, mosquito, pincher bug, praying mantis, snail, centipede, wolf spider, beetle, honeypot ant, house fly, cockroach, tarantula, grasshopper, honey bee, stick insect, caterpillar butterfly.PRINT: I created a PDF versi