Picture the beads. Add tens first, then ones. A full ones row trades for a ten.
Picture the first number on the frame. Add the tens first, then the ones.
Tens go on the tens row, so only that row moves.
If the ones row fills up, trade ten ones for one ten.
Check your answer on a real frame or on paper.
These are some of the questions on the sets. The printable sheets have more, with the bead frame drawn for each, and an answer key.
65. Four tens and two tens make six tens. The ones row stays still.
Yes. Six and seven make thirteen, so ten ones trade for a ten.
53. Eight and five make thirteen. Ten ones trade up, so four tens and the new ten make five tens, with three ones.
93. Add two tens to make eight tens. Four and nine make thirteen, so a trade makes nine tens and three ones.
Ask a grown-up to say a sum to ninety-nine, like thirty-four plus twenty-five. Close your eyes and picture the frame. Say your answer, then check on a real frame or on paper. Swap turns!
Say a sum to ninety-nine, like 34 + 25. Your child shuts their eyes, pictures the frame and says the answer, then checks on a real frame or on paper. Swap turns.
