MC_GT_T1_E3_A4_fig2 / Mental computation / TDT / Media

Name

MC_GT_T1_E3_A4_fig2

Caption

Adding with a bead string (solution 2).

Image

A string of beads, alternating every ten beads from green to pink. The problem is to add 27 to 58. First peg is at 58 with a jump of 2 to reach 60, then a jump of 5 to reach 65 then a jump of 20 to reach the answer of 85.

Image Map Code

Default object view. Click to create a custom template, Node ID: 14001, Object ID: 21474

MC_GT_T1_E3_A4_fig2