Add/sub using models (incl mixed numbers) (2,3,4,5,6,8,10,12)
Interactive practice questions
In the image below, $4$4 blocks are broken into $8$8 squares each. $2\frac{1}{2}$212 blocks have been shaded red and $1\frac{1}{8}$118 blocks have been shaded blue.
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In its simplest form, the addition of the red and blue shaded blocks can be written as $\editable{}\frac{\editable{}}{\editable{}}+\editable{}\frac{\editable{}}{\editable{}}$+.
How many blocks are shaded in total? Give your answer as a mixed number.
In the image below, $3$3 blocks are broken into $6$6 squares each. $1\frac{1}{3}$113 blocks have been shaded red and $1\frac{1}{6}$116 blocks have been shaded blue.
In the image below, the following $4$4 blocks are broken into $12$12 squares each. $2\frac{1}{4}$214 blocks have been shaded red and $1\frac{5}{12}$1512 blocks have been shaded blue.
In the image below, $3$3 blocks are broken into $10$10 squares each. $1\frac{2}{5}$125 blocks have been shaded red and $1\frac{1}{10}$1110 blocks have been shaded blue.