Sum up to 20

In these grade 1 worksheets, add two-digit plus single-digit numbers that have sums up to 20.

Standard:

With Word Problems:

2-Digit Plus Single-Digit

No Regrouping:

Grab 'em All

No Regrouping with Word Problems:

Grab 'em All

Regrouping:

Grab 'em All

Regrouping with Word Problems:

Grab 'em All

Adding 2-digit Numbers with Word Problems

There are 12 standard 2-digit addition and two word problems in each worksheet for grade 1 and grade 2.

No Regrouping:

Grab 'em All

Regrouping:

Grab 'em All

Column 2-digit Addition Drill: No Regrouping

15 per page:

25 per page:

50 per page:

75 per page:

100 per page:

Find the sum of the 2-digit addends. Regrouping (carrying) is required. You have addition drills to select from 15 per page to 100 per page.

15 per page:

25 per page:

50 per page:

75 per page:

100 per page:

Horizontal 2-digit Addition Drill: No Regrouping

15 per page:

25 per page:

50 per page:

75 per page:

100 per page:

15 per page:

25 per page:

50 per page:

75 per page:

100 per page:

Count the longs (ten's place) and units (one's place). Write the numbers represented by base ten blocks. Add them to find the sum.

Balancing Scales

Fill in the missing numbers that balance the scales. Moderate level has two items on each side of the balancing scale.

Easy:

Moderate:

Missing Digits

Find the missing digit that makes the sum. In each problem, only one digit is missing at the easy level, and two digits are missing at the moderate level.

Easy:

Moderate:

Add the adjacent numbers to build up the pyramid. A worked example is shown in each worksheet.

Match the Numbers: Ice-cream Theme

In each problem, you have a pair of ice-cream cones with 4 scoops on each cone. Each scoop carries a two-digit number. Match the scoops that having the given sum.

These printable dart board-themed 2-digit addition worksheets are categorized into three levels. Moderate and difficult level worksheets contain missing addends.

Easy:

Moderate:

Difficult: