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Abacus · Ages 7+ · Set A
Times tables on the abacus
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Goal: 15 min
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Remember: Times means equal groups, added again and again. The first number counts the groups; the second says what is in each.

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The marble shopBen ran a little marble shop on the corner, and Mia helped him pack. Every bag held the same number of marbles. One bag held five marbles. Ben packed three bags with five in each: three equal groups of five. A shopper asked how many marbles there were in all. Mia counted by jumping: five, then five more, then five more. Adding the same number again and again is what times means. She also tried three plus five and got eight, which was nowhere near the right answer.
1
Three bags with five marbles in each. 5 + 5 + 5 =
2
What does three times five mean?
three plus fivethree equal groups of fivefive plus five plus three
3
Which frame shows 3 × 5, the marbles in all three bags?
A
B
C
4
Three bags with four marbles in each. How many marbles in all?
5
Mia turns a tray of 2 rows of 7 on its side. Now it holds more marbles.
TrueFalse

Equal groups

6
Two bags with eight marbles in each. How many marbles in all?
7
Count in fives: 5, 10, 15, 20,
8
Counting in fives, the last digits go 5, 0, 5, 0. Which number comes after 35?
404536
9
Join each times fact to its total.
  1. 13 × 4
  2. 26 × 3
  3. 34 × 5
  4. 42 × 7
  • A18
  • B14
  • C20
  • D12
10
Six times three means six groups of three.
TrueFalse
11
The frame shows 24. Which times fact makes 24?
6 × 43 × 54 × 5
12
Mia says 4 × 3 = 7. What did she do?
She counted in fivesShe added 4 + 3 onceShe multiplied 4 × 4
13
Stretch: Ben packs 6 bags of 3 marbles, which is 18. Then he packs 1 more bag of 3. Now there are marbles.
14
Draw the beads for 3 × 4 on the empty frame.
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Answer key · Set A
Times tables on the abacus
115 Five, then five more, then five more: 5, 10, 15.
2three equal groups of five Times means the same group added again and again: three groups of five.
3C Three fives make fifteen: one ten and five ones. Eight is 3 + 5, which is not what times means.
412 Four, four and four: 4 + 4 + 4 = 12.
5False It is the same marbles, so the total stays 14. Two times seven and seven times two match.
616 Eight and eight more: 8 + 8 = 16. Ten ones trade for a ten and six ones stay.
725 Each skip is one more group of five.
840 35 ends in 5, so the next ends in 0: 40.
91-D, 2-A, 3-C, 4-B
10True The first number counts the groups and the second counts what is in each.
116 × 4 Six groups of four make 24. Three fives make 15 and four fives make 20.
12She added 4 + 3 once Times is the same group added again and again: 3 + 3 + 3 + 3 = 12.
1321 One more group of three: 18 + 3 = 21.
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