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Use teacher-drawn ten-frames to build and read teen numbers.
Compose teens as ten and ones using ten frames; distinguish 14 from 41.
Year 1 · 5–6 years · 30 challenges
Compose teens as ten and ones using ten frames; distinguish 14 from 41.
Teacher prepares ten-frames: two rows of five boxes, one counter per box. Draw/show the exact frames and loose ones stated in each prompt; frames are not supplied by the screen. Read prompts aloud. Keep tens grouped, compare teen/reversed numerals, and use counting to check.
Give everyone time to think and discuss before one pupil acts at the board. The class explains and confirms together; hints and explanations stay until you move on.
Use an up-to-date browser on a computer connected to a whiteboard or shared display. Touch, mouse and keyboard; optional audio and reduced motion. No pupil accounts or personal devices.
Choose from 5 challenges up to the full activity. Discussion determines the duration: you set the pace.
A full ten-frame holds 10 counters. With 1 extra counter, the amount is 11.
Where can we see the ten and the one?
Moving a counter out leaves 9 in the frame and increases the loose group from 3 to 4. Both arrangements still contain thirteen counters.
How could we make a full ten-frame again?
Two full ten-frames contain 10 and 10 counters, making 20. This is the next full ten after the teen numbers.
How is this model different from one ten and two ones?
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