Addition
20+10=
30
20-10=
10
Round 46 to the nearest 10
50
100+30+1
131
is 576 greater or less than 675?
Less than
55+55=
110
100-90=
10
Round 146 to the nearest 100
100
3+400+50
453
is 700+6+50 greater less than or equal to 756
equal
123+50=
173
100-5=
95
Round 55 to the nearest 10
60
nine hundred forty two
942
is 500+60+4 greater less than or equal to 785
less than
200+100=
300
50-25=
25
Round 150 to the nearest 100
200
654
6 hundred+5 tens+4 ones
600+50+4
4+300+30 equal to 3 hundred+4 ones+3 tens?
yes
500+500=
1,000
100-54=
46
Round 156 to the nearest 10
160
6 thousands+5 hundreds+4 tens+9 ones
6549
what was your favorite activity this round of groups?
What did you learn the most?
answers vary