Page 18 - steps 3b.pdf
P. 18
DRM 16
~ Addition (1) II II II II II II II II 3b:6
e
Use base 10 materials
to help you find the answers.
IIIIII~ I
11111
260 Remember to exchange 10 ten$
+ '50 for a hundred.
110 (60+ 50) 1111111111 ~
300 (2.00 + 100)
LtJO
OJ Find the totals for these additions.
a 1 qO + 30 = b 80 + 160 =
c 160 + 180 = d 270 + 270 =
e 170 + 170 = f 150 + 150 =
9 240 + 120 = h 120 + 2QO =
320 + QO = j 440 + 110 =
~ Choose 2 numbers from this shape which add to make 530.
~_I + ,--I _ I = 530 260
130
450
Name Adding pairs of two- and three-digit numbers with
exchange of tens to hundreds.
Date Materials: base 1 0 materials
© HarperCollinsPublishers Ltd 1997 STEPS 3b Differentiation Pack