Number bonds and complements
Pairs that make 10, 20, 100 or 1000 (and the 9s, 99s and 999s), as missing-number sums or as subtraction.
Numbers that are not perfect cubes, and the child writes the two whole numbers that the cube root lies between.
Numbers that are not perfect cubes, and the child writes the two whole numbers that the cube root lies between.
You can change any of these settings above. Press "New problems" for a fresh set with the same settings, or pick Version A to Z to print different sheets for neighboring desks. The answer key always matches.
Pick squares, cubes, or a mix. Students write the value of a square or cube (7 squared is 49), find the root of a perfect square or cube (the square root of 49 is 7), or say which two whole numbers a root lies between (the square root of 40 is between 6 and 7).
Set the largest base from 5 up to 20. Every root problem uses a perfect square or cube, so each answer is a whole number. Every sheet has a solved example and an answer key, and there is a large-print version.
US Letter or A4, portrait: choose your paper size above. Print at 100 percent (actual size). Use "Black and white" for the copier, or "Color" for display pages and mini books.
Pairs that make 10, 20, 100 or 1000 (and the 9s, 99s and 999s), as missing-number sums or as subtraction.
Tick the boxes for every number a given number divides by, using the rules for 2, 3, 4, 5, 6, 8, 9 and 10.
Mazes where you may only step on multiples of a chosen number. One route, no guessing.