Addition Doubles

Addition Doubles

A math strategy where a number is added to itself.

$$1 + 1$$

$$2$$

$$2 + 2$$

$$4$$

$$3 + 3$$

$$6$$

$$4 + 4$$

$$8$$

$$5 + 5$$

$$10$$

$$6 + 6$$

$$12$$

$$7 + 7$$

$$14$$

$$8 + 8$$

$$16$$

$$9 + 9$$

$$18$$

$$10 + 10$$

$$20$$

A mental math strategy where you use a known double and add $1$ to find the sum of two consecutive numbers.