Cosmic Math Mission
A free, printable Grade 1 multi-step word problem worksheet themed around Space. Each problem takes two or three steps to solve. Work them on screen or print the PDF — a teacher/parent answer key is included.
Show answer key (for grown-ups)
1.A sleek lunar lander has 12 glowing control buttons. The astronaut presses 4 buttons to start the engines, and then presses 3 more buttons to steer. How many buttons remain unpressed?5
2.The Mars rover discovers 8 shiny mineral rocks on Monday. On Tuesday, it finds 6 more rocks, but 3 of them accidentally roll down a steep crater. How many shiny rocks does the rover have now?11
3.Commander Sarah has a pack of 15 freeze-dried strawberries for her mission. She eats 5 of them for breakfast and her co-pilot eats 4 of them for lunch. How many strawberries are left in the pack?6
4.Tim looks through his telescope and counts 7 bright stars in the Big Dipper. He spots 5 more stars in Orion, but then a thick cloud blocks 2 of the stars from his view. How many stars can Tim see clearly now?10
5.During an exciting space walk, an astronaut carries 18 metal bolts to secure a solar panel. She accidentally drops 3 bolts into deep space, and then uses 9 bolts to finish the first panel. How many bolts does she have left?6
6.An alien named Zoop has 9 purple space-slugs. Zoop adopts 5 more green space-slugs, but then 4 of his total slugs slide away to explore a nearby crater. How many space-slugs does Zoop have left?10