Curated OER
Adding 1- and 2-Digit Numbers (Regrouping)
This online learning exercise provides 30 practice problems in which learners add single- and double-digit numbers. The sums require regrouping, so even though the interactivity is catchy, no accommodation is made for the fact that...
Curated OER
Addition and Subtraction
In this addition and subtraction worksheet, students use the number line to help them find the sum or difference to the 23 single or double digit problems.
Curated OER
Addition
In this addition learning exercise, students use the number line to help them find the missing numbers to complete the single and double digit addition facts. Students solve 23 problems.
Curated OER
Addition and Subtraction
For this addition and subtraction worksheet, students use the number line to help find the missing numbers for the 23 single and double digit problems.