There are 3 flowers. Start counting at the end of the line. As you count, say the numbers in order. There are 4 beads. Count all the beads from one end of the line to the other. The last ...

There are 10 fingers on these hands, 10 counters in the ten frame, 10 beads on the string ... You get exactly the same answer if you count on in 10s. Counting on in 10s is quicker than adding ...