Page 47 - PlayFacto_S1
P. 47
Practice
1 Color all the correct number sentences.
(15 – 5) 2=5 3 (2+7)=13 10+(6+2) 2=9
4+(7 – 3) 2=18 20 – (7+3) 10=19 (9 – 3) 6 – 5=6
23 – 45 (6+3)=18 6+(4+1) 2=22 4 (6 – 3)=12
2 Complete the number sentences by using each rolled number only once.
⑴
( + ) + =31
⑵ – ( – ) = 3
44 Workbook S-1
1 Color all the correct number sentences.
(15 – 5) 2=5 3 (2+7)=13 10+(6+2) 2=9
4+(7 – 3) 2=18 20 – (7+3) 10=19 (9 – 3) 6 – 5=6
23 – 45 (6+3)=18 6+(4+1) 2=22 4 (6 – 3)=12
2 Complete the number sentences by using each rolled number only once.
⑴
( + ) + =31
⑵ – ( – ) = 3
44 Workbook S-1
