MC_GT_T1_E3_A4_fig2

« 
Previous image
|
Mental computation
|
Next 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.

Adding with a bead string (solution 2).

Related content

10 by 10 multiplication grid with all products shown, and products of 28, 48 and 72 circled.

MC_GT_T2_E4...

10 by 10 multiplication grid with product of 15 shown as 3 by 5 and 5 by 3, and product of 24 shown as 6 by 4 and 4 by 6.

MC_GT_T2_E4...

How many tiles do I need? A partial 6 by 5 array showing only the far left column and top row.

MC_GT_T2_E1...

25 juice boxes arranged in a 5 by 5 array.

MC_GT_T2_E1...

16 chocolates arranged in a 4 by 4 array.

MC_GT_T2_E1...

Six eggs in a carton arranged in a 2 by 3 array.

MC_GT_T2_E1...

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 20 to reach 78, then a jump of 2 to reach 80 then a jump of 5 to reach the answer of 85.

MC_GT_T1_E3...