Free doubles and near doubles games
A double adds the same number twice: 3 + 3 = 6. Doubles Workshop makes that relationship visible with two ten-frames of the same size. Build a matching group, find the total, or use a known double to work out a near double. There is no timer, automatic sound, limit on attempts or account requirement.
Build a double with equal groups
Choose Build a double. The first group shows the number to double; use Add one counter or Take one away to make the second group match. Choose Check my groups when you are ready. For double 4, both groups need four counters, giving eight altogether. Double zero is zero: two empty groups contain no counters.
Find doubles to 10 and 20
Find the total shows two completed equal groups. Enter their combined number of counters, then choose Check my total. Sums to 10 covers double 0 through double 5, six facts per route. Sums to 20 covers double 0 through double 10, eleven facts per route. Every fact in that range appears once in a shuffled order. The frames remain visible; this is supported practice, not a test of recall without a diagram.
How near doubles work
Start with a double you know, then adjust by one. For 4 + 5, double 4 is 8 and the second group has one more: 8 + 1 = 9. For 5 + 4, double 5 is 10 and the second group has one fewer: 10 − 1 = 9. Both strategies reach the same total.
The extra counter has a dark outline. A dashed empty place shows a missing counter when the second group has one fewer. The explanation also names the change in words. Near-doubles practice includes both one-more and one-fewer cases: ten facts in the smaller range and twenty in the larger range. These totals run from 1 to 9 and 1 to 19 respectively; exact doubles complete the full upper totals in the other activities.
Choose help and move on yourself
Show working reveals the current fact’s answer and explains the equal groups. You still change the group or enter a total and check it. A correct answer stays visible until you choose Next fact. The final fact ends with Finish this route. The completed route reports how many facts used the working; stickers recognise completed practice, including practice with help, rather than independent mastery.
Saved practice and six stickers
Each activity and range saves independently in this browser on this device. Reopen the game, choose the same activity and range, then Continue practice to restore the fact order, current answer, groups and completed facts. Other browsers and cleared storage do not share that progress. If saving fails, a message explains that leaving or refreshing may lose the round.
Changing practice keeps unfinished work. Starting that route again asks before replacing it. Completed routes can be shuffled and practised again; all facts still appear, in a new order that can occasionally match a previous order. Round and sticker saving are checked separately. If sticker saving cannot be confirmed, completion asks you to check the book. Earned stickers remain in the sticker book. There are six completion stickers, one for each activity and range.
Phone, tablet and keyboard controls
Tap the large buttons; no dragging is required. Use Tab to reach controls and Enter or Space to press a button. For totals, enter whole-number digits using the number keypad or keyboard; Enter checks that answer. Holding an activation key does not repeatedly advance facts. The two frames always have ten places so filled amounts can be compared fairly.
For other addition facts, try addition and subtraction practice. For pairs that make a target, try Bond Pairs. Continue with equal sharing in Division Workshop when you want to discuss how sharing and doubles relate.
Make counter pairs and practise sorting in Odd and Even Workshop: three number ranges and eighteen saved boards.