For 1.54 you can do one set of 100 then 5 tenths and 4 hundredths. For 2.37 you can to 2 hundreds, 3 tenths and 7 hundredths. 1.54 + 2.37 is 3.91. You can do 3 hundreds, 9 tenths and 1 hundredths.
Blocks to Robots has 154 pages.
-154 + 54 = 54 - 154 = -100
The answer is 154.The answer is 59+95 = 154
154!
154 Sonnets of William Shakespeare
You could use them to add 154 to 237 (using a flat, 5 longs and 4 units to make 154 and 2 flats, 3 longs and 7 units to get 237). Then once you've put them together, you'll count 391 (you'll have to move the decimal back to 3.91 to get the answer).
154
276
154
17 x 4
79+75 = 154
154