Arithmetic/Part I Review and Test

Part I Test
 {Part 1 of 3.}

{ $$2 + 2 =$${ 4_2 }
 * type="{}"}

{ $$2 + 4 =$${ 6_2 }
 * type="{}"}

{ $$5 + 3 =$${ 8_2 }
 * type="{}"}

{Part 2 of 3. Numbers greater than 9}

{ $$10 + 11 =$${ 21_2 }
 * type="{}"}

{ $$12 + 12 =$${ 24_2 }
 * type="{}"}

{ $$14 + 10 =$${ 24_2 }
 * type="{}"}

{Part 3 of 3. Numbers smaller than 0}

{ $$-4 - 4 =$${ -8_2 }
 * type="{}"}

{ $$-2 + 5 =$${ 3_2 }
 * type="{}"}

{ $$5 - (-2) =$${ 7_2 }
 * type="{}"}

{BONUS}

{ $$4 \times 5 =$${ 20_2 }
 * type="{}" coef="3"}