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Abacus · Ages 7+ · Set A
Marbles in bags, boxes and crates
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Goal: 15 min
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Remember: Ten tens make a hundred, and ten hundreds make a thousand. The third row of the frame counts hundreds.

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Ben's marblesBen keeps a big jar of marbles. He and Mia put ten marbles in each bag. Ten bags fit in one box, so a box holds a hundred marbles. They fill two boxes, and five bags and three loose marbles are left over. Mia wants to fit ten boxes in one big crate. A crate would hold a thousand marbles.
1
How many marbles are in one bag?
110100
2
Ten tens make one .
thousandhundredten
3
Ben has two boxes, five bags and three loose marbles. How many marbles is that?
235523253
4
Which frame shows 304?
A
B
C
5
Ten hundreds make one thousand.
TrueFalse
6
Can a frame with three rows show a thousand?
YesNo
7
This frame shows .

Match, order and fix

8
Join each one to what it is worth.
  1. 1a loose marble
  2. 2a bag
  3. 3a box
  4. 4a crate
  • A100
  • B1
  • C1000
  • D10
9
Put these in order, the smallest worth first.
  • A box of ten bags
  • A loose marble
  • A bag of ten
  • A crate of ten boxes
10
Which numbers can a frame with three rows show? Circle every one.
99910004501200
11
Ben says ten tens make a thousand. Is he right?
YesNo
12
Ben has 190 marbles and adds one more bag of ten. The ten tens trade up. How many marbles now?
200191290
13
Draw the beads for 130 on the frame.
14
Tell a grown-up how ten tens make a hundred. Write one sentence.
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