Pairs to One Hundred

Purpose:

The purpose of this activity is to help your child learn pairs of numbers that add to make one hundred, for example 37 and 63.

Link to the Number Framework:

Number Facts, Stage 5.

What to do:

Use a calculator to challenge each other to make number pairs that add to one hundred.

  • Enter a two-digit number into the calculator. For example, 28.
  • Challenge the other player to make the number into one hundred using just one other number. In the above example the child needs to enter “+ 72=” to make one hundred.
  • Take turns entering numbers and completing the challenge using many different two digit numbers.

Related Māori vocab:

three digit numbertau mati-toru
calculatortātaitai
add (addition)tāpiri (tāpiritanga)

Download a file of this activity:

PDF (344KB) or Word (30KB)

Download a file of this activity including questions to ask in Māori:

PDF (508KB) or Word (33KB)