Abacus year2 workbook 2 compress

Ñ Tens and ones

Place-value additions

and subtractions

l6

5I s2 | 53] L] 24+ Il=

-| 6I|62 47+ u-(_ | 33+ 0=
7 33+ I=
L]
46+ll= LJ
l3 +ll=
O U 2z+I=[ ) 24 +lI=

65+ll=

PSU aa ao eR Loom
`... DU, 'Whotdo you notie about the l0s

Jmm. aa 07707 7)

3 Ngon —

; . 45 45+l0= 36 36+10=

55 HN | |2 DI

1 — —

42 [2705 62 62+l0=

> —

(48+ 8= 62+ 9=

35 35+10= 44 |44+l0=

35+ q= | 44+ q=

me» mm ae
87 | 87+10= Ld 58 58+l0= lees

87+ q= 58+ q=

Fínd the mlsing numbers by adding 4 ond l0 to the number given. Then onswer the cdditons

eee ce er
GeO Ln OLS coos aun

BS Prete eet a

ounting back ey Us

-000000-0000-

6+4= 6+5= 7+3=

99000-oooooe-

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i 0) Use ö beod sting to help you, DU. aiRea ais

Add using bonds

eee ba Là "TT
| acrion | 0U THIN ˆ bondto20 thtis noton

KT

c0 TU. 2 01 5CS1s =

tổ 7, 8, 9, 10 and 20N

q-6= _) 20-14 = a
a a

- ) ¬ a
Ba a
| 5
a

Vee eke THINK "cán.
"NNHUN. for your partner, Cơn they find the
l Pu AC) Me Gs tated đã

Complements to the next 10

@ Complements to

multiples of 10

i}2 ERE: : 7
¬`nE
"|Pp|B|M⁄(6ÿ6|m|t8jm

@ZT2 | +2 | 2s | 26 | zr | 28] 5

ai | 32 | 33 | 34 | 35 | 36 (37)| 38 | 34

at | 42 | 43 @) 45 | 46 | 47 | 48 | 44

si |(s2)33r| 54 | 55 56 | 57 | 58| 5

a0 i

61 | 62 | 63 | 64 6 |(66) 67 68 | 69

7 | 72. ar 75 | 76 77 | 78| 74

81 | 82 | 83 | 84 | 85 | 86 | 87 |(@8J[ 84

a1 | 42) 43 | 44 (%6. 47 | 48 | 4đ

Complements to the next
multiple of 10

ee ga
í†2Z|JZ|“| 5|s|7|s + ®

26 | 27 |28 aD 31 | 32) 33 | 34 | 35

ci 5 :

34 | 35 | 36 | 37 | 38 31D 4 42 | 43

nding a difference

Wiite in the box how for Frog jumps eoch time and work out the difference

Pee ay THINK isthe
Perey ics to id

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