Curated OER
Tens and Ones Grouping
In this tens and ones worksheet, students circle groups of tens, ten groups of ones in sets of items, writing the total amount counted next to each set, 3 total.
Curated OER
Tens and Ones
In this tens and ones instructional activity, students count numbers of shapes in groups, writing the number of tens and ones in each set, then writing the total number beside each.
Curated OER
Addition: Missing Addends Tens and Ones
In this missing addend worksheet, students fill in missing addends to arrive at given sums. All numbers are 2-digits. A reference web site is given for additional activities.
Curated OER
Adding Two-Digit Numbers
In this addition worksheet, 2nd graders add 6 two-digit numbers together, use tens and ones as models and circle yes or no if they needed to regroup.