Olivia used counters to show a number. Pick the cards that show how many counters there are. Pick the number.
Olivia placed her counters into tens frames to show her number. The first ten frame has 10 counters, and the second has eight. We have to pick the cards that show how many counters there are. We’re looking for the cards which show 10 and eight. These cards show one and eight. That’s not Olivia’s number. These cards show 10 and eight. This is the number that Olivia made using her tens frames. The third set of cards shows us 80 and one. Olivia’s number is 10 and eight. 10 and eight is equal to 18. These cards show the number 18. One 10, 10 and eight is equal to 18.