Addition And Subtraction Fluency - 1st Grade Math

$7$. Count up from $8$: $9, 10, 11, 12, 13, 14, 15$ is $7$ steps.

$14$. Break $8+6$ into $8+2+4$ to make $10+4$.

$7$. Subtract $2$ to reach $10$, then subtract remaining $3$.

$14$. Take $1$ from $5$ to make $10$ with $9$, then add remaining $4$.

$1$. Basic subtraction fact within $10$.

$4$. Since $8+4=12$, the missing addend in $8+?=12$ is $4$.

$8$. Subtract $1$ to reach $10$, then subtract remaining $2$.

$8$. Since $8+4=12$, the missing addend in $4+?=12$ is $8$.

$14$. Doubles fact: $7$ added to itself.

$12$. Basic addition fact within $20$.

$7$. Subtract $10$ from teen numbers by removing the ten.

$3$. Since $6+3=9$, the missing addend in $6+?=9$ is $3$.

$3$. Since $7+3=10$, the missing addend in $7+?=10$ is $3$.

$4$. Basic subtraction fact within $10$.