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Abacus · Ages 5+ · Set A
A full ten
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A
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Date
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Goal: 15 min
Score/ 11
Remember: Ten ones trade for one ten. The ones that are left stay below.

Listen and answer

A grown-up reads the story aloud first.

Ben's trayBen has a tray with ten holes. Nine holes are full. He gets two more beads. One bead fills the last hole. The other bead starts a new tray. Nine and two make eleven.
1
How many holes does the tray have?
⚪⚪⚪⚪⚪⚪⚪⚪⚪Nine⚪⚪⚪⚪⚪⚪⚪⚪⚪⚪Ten⚪⚪⚪⚪⚪⚪⚪⚪⚪⚪⚪Eleven
2
The other bead starts a new tray.
TrueFalse
3
Nine beads and two more beads make how many?
🔵🔵🔵🔵🔵🔵🔵🔵🔵🔵🔵🔵Twelve🔵🔵🔵🔵🔵🔵🔵🔵🔵🔵🔵Eleven🔵🔵🔵🔵🔵🔵🔵🔵🔵🔵Ten

Trade on the frame

4
Eight ones are across. Add five more. Which frame is it?
🐶
A🐱
B🐸
C
5
9 + 6 =
6
Read the frame. Which number is it?
41145
7
Ten ones trade for one ten.
TrueFalse
8
Join each sum to its answer.
  1. 19 + 2
  2. 28 + 4
  3. 39 + 5
  • A11
  • B12
  • C14

Think and do

9
Ten beads fill one tray. Ben has 13. How many full trays?
🧺🧺Two🧺🧺🧺Three🧺One
10
Eight and five make twelve.
TrueFalse
11
Number the steps to add past ten.
  • The ones row gets full
  • Trade ten ones for one ten
  • Read the ten and the ones
  • Slide the ones across
12
Draw the beads for twelve on the frame.
13
Trace it.
9 + 2 = 11
Scan the code at the top to mark this sheet on screenTake a photo of your answers or type them. It is marked for you automatically, and your score is kept.
Answer key · Set A
A full ten
1Ten Ben's tray has ten little holes.
2True One bead fills the last hole. The other bead starts a new tray.
3Eleven A full tray of ten and one bead more make eleven.
4C Eight and five make 13: ten ones trade for one ten, and three ones stay. That is one ten and three ones.
515 Nine and six make 15: trade ten ones for one ten, and five ones are left.
614 Read the top row first: one ten. Then the bottom row: four ones. That is 14.
7True A full row of ten ones moves up as one ten.
81-A, 2-B, 3-C Fill the ten, then count what is left over: 11, 12 and 14.
9One Ten beads fill one tray, and three beads are left over.
10False Eight and five make 13: one ten and three ones.
112, 3, 4, 1 Fill the ones, trade the full row for a ten, then read both rows.
Mark each answer, count the right ones and write the score on the sheet.