Place Value worksheet using abacus to teach tens and ones.

Let’s solve each part step by step.

We’re looking at abacuses with two rows:
- Top row = ONES (each bead is worth 1)
- Bottom row = TENS (each bead is worth 10)

We count the beads on each row and write the number they make.

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Part a:
Ones row: 4 white beads → 4 ones = 4
Tens row: 7 gray beads → 7 tens = 70
Total: 70 + 4 = 74

Part b:
Ones row: 1 white bead → 1 one = 1
Tens row: 6 gray beads → 6 tens = 60
Total: 60 + 1 = 61

Part c:
Ones row: 9 white beads → 9 ones = 9
Tens row: 3 gray beads → 3 tens = 30
Total: 30 + 9 = 39

Part d:
Ones row: 8 white beads → 8 ones = 8
Tens row: 1 gray bead → 1 ten = 10
Total: 10 + 8 = 18

Part e:
Ones row: 0 beads → 0 ones = 0
Tens row: 5 gray beads → 5 tens = 50
Total: 50 + 0 = 50

Part f:
Ones row: 7 white beads → 7 ones = 7
Tens row: 0 beads → 0 tens = 0
Total: 0 + 7 = 7

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Final Answer:
a. 74
b. 61
c. 39
d. 18
e. 50
f. 7