Subtraction using the number strip.

$23$

$24$

$25$

$26$

$27$

$28$

$29$

$30$

$31$

$32$

$33$

$34$

$35$

$36$

$37$

$38$

$39$

$40$

$41$

$42$

$35-4$

Solve by counting the jumps on your fingers.

$73–66$

Subtract and check the answer.

$82-47$

Count forwards and subtract:

$53-49=\square$

Solve this by counting the jumps on your fingers.

$67-58$

Subtract and check the answer.

$64-56$

Subtract the following by expanding them.

Solve this by counting the jumps on your fingers.

$81–78$

Write the missing numbers.

$$\begin{gathered} \boxed{ 8 }-\boxed{ } =\boxed{ 7 } \boxed{ }-\boxed{ 2 } =\boxed{ 3 } \\ \boxed{ 5 }-\boxed{ } =\boxed{ 1 } \boxed{ }-\boxed{ 3 } =\boxed{ 5 } \\ \boxed{ 3 }-\boxed{ } =\boxed{ 3 } \boxed{ }-\boxed{ 2 } =\boxed{ 0 } \\ \boxed{ 9 }-\boxed{ 2 } =\boxed{ } \boxed{ }-\boxed{ 2 } =\boxed{ 7 } \end{gathered}$$

Subtract and check the answer.

$78-39$

Count forwards and subtract:

$29-27=\square$

Solve this by counting the jumps on your fingers.

$45-39$

Count forwards and subtract:

$95-88=\square$

Solve this by counting the jumps on your fingers.

$99–85$

Count forwards and subtract:

$54-48=\square$

Subtract and check the answer.

$93-28$

Count forwards and subtract:

$34-31=\square$

Count forward and subtract.

$83-77$

Solve this by counting the jumps on your fingers.

$55-49$