Page 56 - Spark of math 1
P. 56

(4-1) Counting in Tens


                              How many beads are in the group?



                        1 group           2 groups        3 groups           4 groups             5 groups
                          has               have             have              have                 have
                       10 beads           20 beads        30 beads          40 beads             50 beads













                1 ten=10 ones 2 tens=20 3 tens=30 4 tens=40                                     5 tens=50




                  Count and write.



















                    6 tens                                                8 tens





                             10         20       30      40       50 60             70         80         90
             Read.
                             ten     twenty    thirty forty      fifty sixty     seventy eighty         ninety




                         Write the missing numbers on the number line.





                        0 0     10 10           30 30                  60 60          80 80









              56
   51   52   53   54   55   56   57   58   59   60   61