capacity weight and mass number and algebra base and mab counters and sorting trays counting cubes counting over counting tools counting up to fractions, decimals and percentages hundreds boards money number lines operations patterns and sequencing place value music and movement cd's early years music instruments...
fine-grained natural stone. the word "basalt" is derived from the word, basanites meaning is "very hard stone," it is high in silicates, iron and magnesium. basalt is extremely hard natural stone. basalt rocks magmas forms by melting of peridotite in the earth's mantle, it is a process discussed in the entry for...
smoothed and shaped by water flowing action. pebbles come in various colors and textures. pebbles are mostly smooth. pebbles has streaks of pebble and different colored sedimentary rock. pebbles are often used as decorative gravel around the area such as house and outdoor places. pebbles are ideal for...