OLSAT Practice Pack — Grade 1

Answer Key — OLSAT Grade 1

1. 1. C — running, swimming, fishing are all things people do to keep fit. Gem is not, so it does not belong — answer C.
2. 2. C — cow goes with milk because the first one gives us the second. In the same way tree goes with leaf — answer C. The other pictures do not go with tree that way.
3. 3. A — In the top row, the figure doubles and the figure shrinks. Applying the same change to the bottom figure gives A. The others each make a specific mistake: B misses one of the changes; C applies a different rule than the top row shows.
4. 4. A — In the top row, the figure shrinks. Applying the same change to the bottom figure gives A. The others each make a specific mistake: B right change, wrong figure shape; C copies the top row's result instead of transforming the bottom figure.
5. 5. C — Each step, one more shape appears each time. Continuing one more step gives C. The others: A the right step on the wrong shape; B the right figure with the wrong fill.
6. 6. D — snail, bee, ant are all insects and other tiny crawling creatures. Rugby is not, so it does not belong — answer D.
7. 7. B — crayon goes with book because you use the first one with the second. In the same way fishing goes with fish — answer B. The other pictures do not go with fishing that way.
8. 8. A — In the top row, the figure shrinks and the figure's fill darkens one step. Applying the same change to the bottom figure gives A. The others each make a specific mistake: B right change, wrong figure shape; C copies the top row's result instead of transforming the bottom figure.
9. 9. C — In the top row, the figure's fill darkens one step. Applying the same change to the bottom figure gives C. The others each make a specific mistake: A applies a different rule than the top row shows; B the bottom figure with no rule applied.
10. 10. C — Each step, the figure alternates big and small. Continuing one more step gives C. The others: A the right step on the wrong shape; B the right figure with the wrong fill.
11. 11. A — bread, egg, pizza are all things you eat for a meal. Kangaroo is not, so it does not belong — answer A.
12. 12. C — bee goes with flower because the first one eats the second. In the same way rabbit goes with carrot — answer C. The other pictures do not go with rabbit that way.
13. 13. B — In the top row, the figure's fill darkens one step and the figure doubles. Applying the same change to the bottom figure gives B. The others each make a specific mistake: A applies the change twice; C misses one of the changes.
14. 14. B — In the top row, the figure doubles. Applying the same change to the bottom figure gives B. The others each make a specific mistake: A right change, wrong figure shape; C applies a different rule than the top row shows.
15. 15. B — Each step, one more shape appears each time. Continuing one more step gives B. The others: A repeats the last figure instead of stepping on; C the right step on the wrong shape.
16. 16. B — cactus, evergreen, rose are all plants and trees. Balloon is not, so it does not belong — answer B.
17. 17. B — sun goes with snowflake because the first one goes with the second the way hot goes with cold. In the same way fire goes with ice cream — answer B. The other pictures do not go with fire that way.
18. 18. A — In the top row, the figure doubles and the figure's fill darkens one step. Applying the same change to the bottom figure gives A. The others each make a specific mistake: B applies the change twice; C right change, wrong figure shape.
19. 19. C — In the top row, the figure doubles. Applying the same change to the bottom figure gives C. The others each make a specific mistake: A copies the top row's result instead of transforming the bottom figure; B right change, wrong figure shape.
20. 20. A — Each step, one more shape appears each time. Continuing one more step gives A. The others: B repeats the last figure instead of stepping on; C steps backward in the series.