Math worksheet featuring number sense and place value exercises for young learners.

Final Answer:
123 = 100 + 20 + 3
The value of the digit 3 is 3.
The value of the digit 1 is 100.
The value of the digit 2 is 20.
Which set of blocks shows 123? → the one with 1 hundred block, 2 ten blocks, and 3 one blocks.
Number line: 120, 121, 122, 123, 124, 125, 126
100 more than 123 is 223.
10 less than 123 is 113.
1 more than 123 is 124.
10 less than 123 is 113.
Compare: 123 < 321, 231 > 123, 120 < 123
Place Value (standard form):
a. 1,234
b. 2,456
c. 3,127
d. 4,089
e. 6,143
f. 9,099
g. 4,061
h. 7,600
The Hungry Alligators:
a. 7 < 15, 22 > 19
b. 36 < 28? No — 36 > 28; 62 < 33? No — 62 > 33
c. 25 < 49, 35 < 56
d. 70 < 73, 91 > 82
Place Value Color:
6 → ten thousands place → blue
5 → thousands place → yellow
4 → hundreds place → purple
3 → tens place → green
2 → ones place → yellow
1 → tenths? Wait—no decimal shown. Since it's “654,321”, digits are:
6 = hundred thousands → blue
5 = ten thousands → yellow
4 = thousands → green? Wait—recheck instructions:
“Color the digit in the ones place yellow.”
“tens place green”
“hundreds place purple”
“thousands place red”
“ten thousands place orange”
“hundred thousands place blue”

So for 654,321:
6 → hundred thousands → blue
5 → ten thousands → orange
4 → thousands → red
3 → hundreds → purple
2 → tens → green
1 → ones → yellow

Cut-out boxes: match digits to places:
hundred thousands → 6
ten thousands → 5
thousands → 4
hundreds → 3
tens → 2
ones → 1