Search Results For “prime number”

Subtract a multiple of 10 from a 3-digit number, with no additional help.

Subtract a 2-digit number not crossing the tens with a bar model to help.

Subtract a single digit from a 2-digit number up to 20.

Subtract a 2-digit number not crossing ten.

Using knowledge of number of days in the months of the year.

Complete the missing numbers with numbers up to and across 100.

More counting to 20 on a spiral.

More counting to 20 on a spiral with butterflies.

Find the largest of three numbers in the teens.

Find the smallest of three 2-digit numbers up to 20.

Completing number statements using more than or less than.

Adding a single digit to 10 with the help of a number line.