Missing number worksheets
Equations with one empty box, for addition, subtraction, multiplication, division or a mix.
Students write each ratio in lowest terms, such as 45 : 60 = 3 : 4, with numbers up to 100.
Students write each ratio in lowest terms, such as 45 : 60 = 3 : 4, with numbers up to 100.
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.
Three kinds of page build ratio sense. In the picture pages students count two kinds of shapes and write the ratio in lowest terms. In the table pages every column has the same ratio as the first, and students fill in the empty boxes. The simplify pages write a ratio with smaller numbers.
Ratios in the pictures always have a counting answer, and tables never leave both numbers in the same column empty, so each blank has one answer. The solved example explains the first step.
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.
Equations with one empty box, for addition, subtraction, multiplication, division or a mix.
Arithmetic Latin-square puzzles: fill the grid so every cage hits its target. Each puzzle has exactly one solution.
A 4×4 sudoku where circles show the product of two neighboring cells. Practices factors and logic together.