Page 16 - steps 3b.pdf
P. 16
RM18
Addition (1) 3b:6
rn Write down the sums these base 10 materials make.
Then find out the totals:
a b
hundreds tens ones hundreds tens ones
••• ~ ~ I 0 0 0 0 •• I ~ ~ ~ ~ 0 0
0
0
• ~ ~ 0 0 0 a. I ~ ~ I 0 0 0
c 335+/23 d
hundreds tens ones hundreds tens ones
• UiliU 0 •••
0
• I 00 • ~ ~ ! 0 0 0 0 0
0
0
0
0
e f
hundreds tens ones hundreds tens ones
• •••• 0 0 0
0
~ I I I
•••• ~ I I I I 0
[g] Make different totals by adding pairs of these.
a b
hundreds tens ones hundreds I tens ones
• I ~ 0 I o
o
0
o
c d
hundreds tens ones hundreds tens ones
• 0 0 0 0 ••• ! ! I 0 0 0
0
0
e ~----------------------------------------~
Adding pairs of numbers with totals up to 500
Name (no exchange).
Date Materials: base 10 materials; baseboards
I
© 1993 Collins Educational (an imprint of HarperCollinsPublishers) STEPS 3b
